Comparison of online backup services

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This is a comparison of online backup services.

Online backup is a particular kind of file hosting service; however, various products that are designed for file storage may not have features or characteristics that others designed for backup have.

Comparison

Provider Win.1 Linux1 Mac1 Android1 BlackBerry1 iOS1 Encrypted storage Zero knowledge2 Secure Key Management3[1] Limited MB plan4 Unlimited MB plan4 $/MB plan4 Unlimited BW 17 Provider Cloud hosted Net Drive5 P2P6 Sync7 Autodetect changes12 Public file hosting8 physical media restore9 Server location(s)10 Free online storage (non-trial)13 Maximum per-file size External hard drive support14 Hybrid Option15 Green Hosting ITAR Compliant Provider Annual price (USD) perTB Annual price (USD) per Unlimited
Acronis Yes Yes Yes Yes No Yes Yes No Yes No Yes No Yes Acronis No No Yes  United States,  Europe No No limit Yes No Acronis
ASUS WebStorage Yes Yes (only 32 bit) Yes Yes No Yes Yes No ? Yes No Yes ASUS WebStorage No Yes Yes Yes Yes  United States, ASIA 5 GB 500 MB (Free) 10GB (Paid) Yes No ASUS WebStorage 99.99 -
Backblaze Yes No Yes Yes Yes Yes[2] Optional[2] But company must be given passphrase (to private key) to restore any data. ? No Yes No Yes Backblaze No Yes No Yes  United States No No limit Yes No No Backblaze - $50
Barracuda Backup Service Yes Yes Yes Yes[3] No ? No fee per computer No Yes Barracuda Backup Service Yes[citation needed] No Yes No Yes  United States, APAC,  Europe No ? No Barracuda Backup Service
Bitcasa Yes[4] Yes Yes (Only 64-bit) Yes Yes Yes Bitcasa cannot decrypt data, but uses convergent encryption15 [5] ? Yes No No Yes Bitcasa Yes[6] No Yes Yes Yes Yes  United States 5 GB[7] No limit[8] No[9] No, Amazon AWS[10][11] No Bitcasa
Box Yes Partial (no offline sync, access through DAV server)[12][13] Yes Yes Yes Yes Yes[14] No[14] ? Yes Yes Box Yes[15] Yes[16] Yes  United States 10 GB 250 MB (Free) 5 GB (Paid) No Box
BullGuard Backup Yes No No Yes Yes Yes Yes[17] Yes Yes Yes Yes BullGuard Backup Yes[citation needed] No Yes Yes  Europe No  ? No BullGuard Backup
Carbonite Yes No Yes Yes Yes Yes Yes Yes for Windows only[18] ? Yes (Business only) Yes (Home only) No[19] Yes [20] Carbonite Yes Yes Yes[21]  United States No 4 GB Yes[22] Yes No Carbonite
Provider Win.1 Linux1 Mac1 Android1 BlackBerry1 iOS1 Encrypted storage Zero knowledge2 Secure Key Management3 Limited MB plan4 Unlimited MB plan4 $/MB plan4 Unlimited BW 17 Provider Cloud hosted Net Drive5 P2P6 Sync7 Autodetect changes12 Public file hosting8 physical media restore9 Server location10 Free online storage (non-trial)13 Maximum per-file size External hard drive support14 Hybrid Option15 Green Hosting ITAR Compliant Provider Annual price (USD) perTB Annual price (USD) per Unlimited
CloudMe Yes Yes Yes Yes Yes, via Storage Made Easy client Yes No, but 3rd party apps available[citation needed] ? No Yes CloudMe Yes[23] Yes Yes Yes  Sweden 3 GB 150 MB (Free Accounts) No limit (Premium Accounts) No Limit No No CloudMe
Comodo Backup Yes No No Yes[24] No ? Yes No Yes (5) Comodo Backup No No No No  United States No No Comodo Backup
CrashPlan Yes Yes Yes Yes Yes Yes[25] Yes[26] Yes Optional Yes Yes Yes[27] Crashplan No Optional No Yes[28] No Yes  United States,  Australia[29] No No Limit Yes[30] No No Crashplan
Cubby Yes No Yes Yes No Yes Yes No ? Yes No No Yes Cubby Yes[31] Yes Yes (DirectSync) Yes Yes Yes  United States,  Europe 5 GB with friend referrals up to 25 GB 2 GB (Web Interface) No limit (Desktop client) Yes  ?  ? No Cubby
Diino Yes Yes Yes No[32] No ? Optional Yes Optional Yes Diino Optional Yes Yes No No limit  ? No Diino
Dropbox Yes Yes Yes Yes Yes Yes Yes No,[33] but 3rd party apps available[34] ? Yes Dropbox No No Yes Yes Yes  United States 2 GB 300 MB (Web Interface) No limit (Desktop client) No No Was Amazon AWS, but references removed from FAQ. No Dropbox 99 -
Dropmysite Yes Yes Yes Yes No ? Yes Optional No Yes Dropmysite Yes Yes Yes Global 2 GB No limit ? No Dropmysite
Druva Insync Yes Yes Yes Yes Yes Yes Yes[35] Optional[35] ? Yes[35] Yes[35] No Yes Druva Insync Yes Yes Yes  United States,  United Kingdom,  Japan,  Brazil,  Singapore,  Australia [35] No No limit Yes Yes Druva Insync
Egnyte Yes Yes Yes Optional[36] Optional[36] ? Egnyte Yes[37] No Yes Yes Yes  United States No No limit  ? No Egnyte
Provider Win.1 Linux1 Mac1 Android1 BlackBerry1 iOS1 Encrypted storage Zero knowledge2 Secure Key Management3 Limited MB plan4 Unlimited MB plan4 $/MB plan4 Unlimited BW 17 Provider Cloud hosted Net Drive5 P2P6 Sync7 Autodetect changes12 Public file hosting8 physical media restore9 Server location10 Free online storage (non-trial)13 Maximum per-file size External hard drive support14 Hybrid Option15 Green Hosting ITAR Compliant Provider Annual price (USD) perTB Annual price (USD) per Unlimited
ElephantDrive Yes Yes[38] Yes Yes[39] Yes Optional (off by default) [40] ? Yes No ElephantDrive Yes[41] Yes[42] Yes Yes[43]  United States 2 GB Yes  ? No, Amazon AWS[11][44] No ElephantDrive
EVault Yes Yes Yes Yes[citation needed] ? No No Yes Yes EVault Yes[citation needed] No No Yes Yes  United States,  United Kingdom,  Canada,  Ireland No No limit Yes Yes No EVault
FilesAnywhere Yes Partial Yes Yes, via Storage Made Easy client Yes, via Storage Made Easy client Yes, via Storage Made Easy client Optional[45] No[46] ? Yes No Yes Yes FilesAnywhere Yes[47] No Yes Yes Yes Yes  United States 1 GB No limit Yes No FilesAnywhere
Google Drive Yes No, but there are third party clients in the List of backup software like Duplicati, etc. The client grive is not in the list. Official support is planned since April 2012.[48][49][50] Yes Yes No, but 3rd party apps available[citation needed] Yes Yes No, available with third-party clients, such as Duplicati ? Yes, w/Google Apps for work + unlimited or Business or Education [51] Yes Yes Google Drive No No Yes Yes Yes  United States, Worldwide 15 GB 5 TB[52] Partial: 34%[53] No Google Drive 119.88 -
Handy Backup Yes Yes No Yes Yes Yes ? Yes Yes Yes Yes Handy Backup No No Yes Yes No Yes  United States,  Canada No[54] No limit Yes Yes No Handy Backup
Trend Micro SafeSync Yes Partial Yes Yes, via Storage Made Easy client Yes, via Storage Made Easy client Yes, via Storage Made Easy client No ? Yes Trend Micro SafeSync Yes[citation needed] Yes Yes  United Kingdom No Trend Micro SafeSync
IASO Backup Yes Yes Yes Yes[55] Yes[55] Yes ? Yes Yes Yes IASO Backup No No No No Yes  United States, Worldwide No No limit Yes Yes No IASO Backup
iCloud Yes Yes, via Storage Made Easy client Yes Yes, via Storage Made Easy client Yes, via Storage Made Easy client Yes Yes No ? ? ? iCloud ? ? ? ? unknown ? Yes, 94%[11] No iCloud 119.88 -
Infinit Yes Yes Yes Yes[56] Optional[56] ? No Yes No Yes Infinit Yes Yes Yes Yes No limit Yes Yes No Infinit - -
Infrascale Yes Yes Yes Yes No Yes Yes Optional Optional Yes Yes No Yes Infrascale No No Yes Yes Yes Yes  United States,  Canada,  United Kingdom,  South Africa,  Australia,  New Zealand,  Jamaica No No limit Yes Optional No Infrascale
Iperius Online Storage Yes No No Yes[57] Optional[57] ? 50, 100, 200, 500 GB No No Yes Iperius Online Storage No Yes Yes No Iperius Online Storage No limit No
Intronis Yes No Yes Yes No Yes Yes Yes configurable Yes No[58] Yes Yes Intronis Yes No Yes[59] Yes No Yes[60]  United States,  Canada No No limit Yes Optional Yes No Intronis
Jumpshare Yes No Yes No No Yes[61] Yes No No Yes[62] Jumpshare No Yes Yes Yes No  United States,  Europe 2 GB 250 MB on free, Unlimited on Jumpshare Plus Yes No Jumpshare
Provider Win.1 Linux1 Mac1 Android1 BlackBerry1 iOS1 Encrypted storage Zero knowledge2 Secure Key Management3 Limited MB plan4 Unlimited MB plan4 $/MB plan4 Unlimited BW 17 Provider Cloud hosted Net Drive5 P2P6 Sync7 Autodetect changes12 Public file hosting8 Physical media restore9 Server location10 Free online storage (non-trial)13 Maximum per-file size External hard drive support14 Hybrid Option15 Green Hosting ITAR Compliant Provider Annual price (USD) perTB Annual price (USD) per Unlimited
Jungle Disk Yes Yes Yes No Yes[63] Yes[63]  ? Yes Jungle Disk Yes[64] Yes  United States,  Europe No 5 GB Partial, Amazon AWS[11][65] or Rackspace Cloud Files. No Jungle Disk
KeepVault Yes No No Yes[66] Yes[67]  ? Yes No Yes KeepVault Yes  United States 20 GB No KeepVault
KineticD Yes No Yes Yes No Yes Yes No  ? No Yes Yes Yes KineticD Yes[citation needed] No No Yes Yes Yes  Canada No No limit Yes Yes KineticD
Livedrive Yes No Yes Yes Playbook only Yes No No  ? Yes Online Backup only No Yes Livedrive Yes (paid-only)[68] No Yes Yes Yes Yes  United Kingdom No No limit Yes No Livedrive
MediaFire Yes Upload only [3] Yes Yes No Yes No No  ? Yes No Yes Yes MediaFire No No Yes Yes Yes  United States 10 GB No Limit No No No MediaFire
MEGA Yes Yes Yes Yes Yes Yes Yes Yes Yes[69] Yes No Yes Yes MEGA No No Yes Yes, using MEGAsync client Yes No  Europe,  New Zealand 50 GB No limit No No No MEGA
Memopal Yes Yes Yes Yes Yes Yes Yes[70] No[71]  ? Yes Memopal Yes Yes Yes  United States,  Europe, Asia 3 GB 5 GB No Memopal
MiMedia Yes No No Yes[72] No  ? Yes No Yes Yes MiMedia Yes[citation needed] No No Yes No No  United States 7 GB 3 GB Yes No MiMedia
Mozy Yes Yes Yes Yes No Yes Yes[73] Optional[73]  ? Yes No Mozy No Yes Yes Yes  United States,  Europe 2 GB No limit [74] Yes No No Mozy
MyVault Yes Yes Yes Yes Yes ? Yes No MyVault Yes Yes Yes  United States No Varies by plan. 5GB on largest plan. No MyVault
OneDrive Yes No, see note[75] Yes Yes[76] Yes[77] Yes No[78] No  ? Yes No OneDrive Yes[79][dubious – discuss] Yes 5 GB for new users, 25 GB for older users 10 GB Partial, 29%[11] No OneDrive
OwnDrive (ownCloud) Yes Yes Yes Yes Yes Yes Yes  ? OwnDrive Yes Yes 1 GB No OwnDrive
SpiderOak Yes Yes Yes No, the android client is only capable of accessing spideroak cloud data Yes, HTML5 client in Q4 2012, Android version from Amazon store for Blackberry 10 Yes Yes[80] Yes[80]  ? Yes Yes, Occasional offers for unlimited Yes Yes SpiderOak No[81] No Yes Yes Yes (2 GB free for 60 days only No limit Yes Yes[82] No SpiderOak
Provider Win.1 Linux1 Mac1 Android1 BlackBerry1 iOS1 Encrypted storage Zero knowledge2 Secure Key Management3 Limited MB plan4 Unlimited MB plan4 $/MB plan4 Unlimited BW 17 Provider Cloud hosted Net Drive5 P2P6 Sync7 Autodetect changes12 Public file hosting8 physical media restore9 Server location10 Free online storage (non-trial)13 Maximum per-file size External hard drive support14 Hybrid Option15 Green Hosting ITAR Compliant Provider Annual price (USD) perTB Annual price (USD) per Unlimited
SugarSync Yes No Yes Yes Yes Yes Yes[83] No[84]  ? Yes No No SugarSync Yes Yes Yes (SugarSync account needed for folders) No 100 MB (web) No limit (client app)[85] No SugarSync
Syncplicity Yes No Yes Yes[86] No[86]  ? Yes Syncplicity Yes Yes  United States 2 GB No Syncplicity
Tarsnap Using Cygwin Yes Yes No No No Yes[87]  ? No No Yes Tarsnap No No No No, Amazon AWS[11][88] No Tarsnap
TeamDrive Yes Yes Yes Yes No Yes Yes Yes  ? Yes Yes, via self-hosting No Yes TeamDrive Yes{{[89]}} No Yes Yes Yes No  United States,  Germany,  Ireland,  Hong Kong 2 GB No limit Yes No, Amazon AWS by default[11][90] No TeamDrive
Tresorit Yes Yes[91] Yes Yes Yes Yes Yes Yes  ? Yes No Yes Yes Tresorit No No Yes Yes Yes No  Europe[92] 3 GB 0.5 GB (free), 10 GB (paid)[93] Yes No No Tresorit
Unitrends Vault2Cloud Yes Yes Yes Yes[94] No  ? No Yes Yes Unitrends Vault2Cloud Yes[citation needed] No Yes No Yes  United States No No Unitrends Vault2Cloud
UpdateStar Online Backup Yes No No Yes[95] No[96]  ? Yes[97] Yes UpdateStar Online Backup  Europe No UpdateStar Online Backup
Vembu OnlineBackup Yes Yes Yes Yes No Yes Yes Yes Yes Yes Vembu OnlineBackup No No Yes Yes  United States,APAC, Europe Yes Yes Yes Yes No No Vembu OnlineBackup
Yandex.Disk Yes Yes[98] Yes Yes Yes No[99] No  ? Yes Yandex.Disk Yes[100] No Yes Yes 10 GB 10 GB No Yandex.Disk
Zetta.net Yes[101] Yes Yes Yes No  ? Yes No Yes[102] Yes Zetta.net Yes[103] No Yes Yes No Yes  United States[104] No No limit Yes Yes Yes Zetta.net
Zmanda Cloud Backup Yes No No Optional[105] Optional[105]  ? Yes Zmanda Cloud Backup Yes[citation needed] Yes  United States,  Europe,  Singapore,  Japan No limit Yes Yes Partial, Amazon AWS or Google Cloud Storage[11][106] No Zmanda Cloud Backup
Provider Win.1 Linux1 Mac1 Android1 BlackBerry1 iOS1 Encrypted storage Zero knowledge2 Secure Key Management3 Limited MB plan4 Unlimited MB plan4 $/MB plan4 Unlimited BW 17 Provider Cloud hosted Net Drive5 P2P6 Sync7 Autodetect changes12 Public file hosting8 physical media restore9 Server location10 Free online storage (non-trial)13 Maximum per-file size External hard drive support14 Hybrid Option15 Green Hosting ITAR Compliant Provider Annual price (USD) perTB Annual price (USD) per Unlimited

Legend

  • ^1 Windows/Linux/Mac/iOS/Android/BlackBerry - Supported operating systems for thick client (native binary application), which provide background data transmission and setting services.
  • ^2 Zero knowledge - The user needs to manage their own encryption key or password. If they lose it, there is no way to access the data. The service provider cannot access the user's data even if required by the government.[107][108] Backup service providers often claim that no one can access the users data even though they themselves could if forced to do so, so entries claiming support of this feature should always have a supporting reference. If the backup service has a password recovery or reset mechanism that allows a user to access their data when they lose their password or key, that proves they do not have zero knowledge.[109]
  • ^3 Secure Key Management - If yes, the user holds and controls of the encryption key. If no, the service provider holds and controls the encryption key.
  • ^4 Payment options/plans:
    • Limited MB plan - Pay per computer. Additional fee for storage over a threshold.
    • Unlimited MB plan - Pay per computer. Storage per computer is unlimited.
    • $/MB plan - Pay per unit of storage, but unlimited computers may share that storage.
  • ^5 Cloud hosted Net Drive - Cloud can serve storage over WebDAV, SMB/CIFS, NFS, AFP or other NAS protocol, allowing files to be streamed from the cloud. A change made to the cloud is immediately accessible to applications on all clients without needing to pre-download (sync) the file in full.
  • ^6 P2P storage - data spread over many computers based on peer-to-peer net advantages.
  • ^7 Sync - Synchronization between computers, and/or mobile devices (PDA, MDA,...)
  • ^8 Public Internet file hosting -
  • ^9 Restore via physical media -
  • ^10 Server location - countries where physical servers are located. Where the data will be located.
  • ^11 Still in Beta version
  • ^12 Whether the desktop client (if available) can detect and upload changes without scanning all files.
  • ^13 Many backup services offer a limited free plan, often for personal use. Often it is possible to increase the free backup limit through coupons, referrals, or other means that are not included in this column. This column also does not include free trials that are only available for a limited period of time.
  • ^14 External hard drive support - Can refer to an alternate backup destination or whether the service can back up external drives.
  • ^15 Hybrid Online Backup works by storing data to local disk so that the backup can be captured at high speed, and then either the backup software or a D2D2C (Disk to Disk to Cloud) appliance encrypts and transmits data to a service provider. Recent backups are retained locally, to speed data recovery operations.
  • ^16 Bitcasa encrypts each file with a key derived from that file, so a file can be decrypted only if you already have (or have had) the decrypted version. Therefore, bitcasa cannot decrypt arbitrary files, but they could e.g. remove a specific requested file or log which users access a specific requested file. There also is a learn-the-remaining-information attack possible.[110][111]
  • ^17 Unlimited BW - If bandwidth capping or limits are used on accounts.

Comments

Acronis
Up to five PCs, always incremental backups, remote access from the web
AltDrive
Data de-duplication; block-level incremental; unlimited offering. Home (1–3 computers) or biz service (1–1000 computers). Client-side encryption, external USB drives, NAS support for Biz customers.
ASUS WebStorage
Auto-upload on designated folder, auto-backup capabilities, cross-platform file access of upload and sharing - iOS, Android, Windows Marketplace, OS X, Ubuntu, Linux, Windows Store (Windows 8) also any compatible browser. 5 GB of free data. Upload limit for each file of 500 MB on free account. Daily file sharing limit of 500 MB on free account. Free account will only allow one computer to be able to back up.
Backblaze
Data de-duplication; block-level incremental
Barracuda Backup Service
Data de-duplication; real-time hybrid on-site/off-site data back-up
blaucloud  
No User Limit each User get his ownCloud Instance in an encrypted Storage.
BullGuard Backup
5 PC/license, fast upload speeds, mobile access, encrypted transfer and storage, password-protected settings, free 24/7 support
Carbonite
Block-level incremental, Home or Pro editions. iPhone/ Blackberry/ Android App available to remotely access data from the online backup (For Pro: Users of the computer which are backed up, not available for the Administrator of the Pro). Can manually select files to upload that are larger than 4 GB.
Crashplan
Unlimited destinations. Data de-duplication; block-level incremental. Can run server-free, exchanging backup space with friends and family.
Datashield  
High-level encryption, personalized encryption key, shared cloud drive, sync folder functionality
Dolly Drive
Cloud storage that is specifically designed for the Mac. Also allows users to store files exclusively in the cloud for seamless access on any computer or mobile device.
Diino
iPhone/Android app available.
Dropbox
Data de-duplication, delta sync, iPhone/Android/Blackberry app available.
Dropmysite
website backup, database backup, SFTP support, free up to 2 GB.
Druva inSync
Integrated Backup and File-sharing. HIPAA and ISAE3400 compliant
Egnyte
Delta sync, Google Docs sync, user and group management
ElephantDrive
Auto-transfer from defunct Xdrive.
FilesAnywhere
Mark Cuban acquired minority interest in 2006. Android, iOS, BlackBerry apps available. Dedicated server options available. CoolBackup software used for backup and sync.
F-Secure
[Steek acquired by F-Secure July 2009]
Humyo
Humyo was acquired by Trend Micro and will become part of Trend Micro SafeSync. Humyo no longer accepts new clients.
IASO Backup
Advanced[clarification needed] data reduction technology. Data de-duplication mechanism. High level[clarification needed] of scalability and cost effectiveness.
IDrive
Proprietary license download client. Automatic Selection. Continuous Data Protection. "Virtual drive" explorer.
Jungle Disk
Proprietary license download client sample code.
KeepVault
Real-time hybrid on-site and offsite data backup
Memopal
Cross-user de-duplication, delta sync
MiMedia
Initial seed via a MiMedia-owned external hard drive available (no extra cost, shipping included).
Mozy
Data de-duplication; block-level incremental. "Mozy Data Shuttle" physical seeding service available for extra fee.
Replicalia
Professional Backup for Professional Data
pCloud
Data de-duplication. Zero Knowledge Privacy with client-side encryption.
SpiderOak
Data de-duplication."Zero Knowledge" encryption.
StoreGrid Cloud  
Byte-level incremental backup, local backup, Disk Image backup - BMR and physical seeding.
Syncplicity
Google Docs sync, Central Management with Business Console
TaniBackup (Cheap Backup) 
Up to 10 TB per standard package. Extensible to over 300 TB per single account. Access via SMB/CIFS or SSH (including sftp, scp, rsync and so on). 100 GB for $2 per month.
Tarsnap
Client source available; data de-duplication; block-level incremental.
TeamDrive  
Store encrypted data on any WebDAV server; supports working offline; files can be commented; built-in support for conflict resolution.
Tencent Cloud (English)
Tencent is offering users 10TB of free cloud storage[112]
Unitrends Vault2Cloud
Data de-duplication; hybrid on- and off-premises data backup; physical seeding
UpdateStar Online Backup
Data de-duplication; block-level incremental
Usenet backup
Is the method of storing backup data on the usenet.[113]
Windows Live Mesh
Replaces windows live sync and windows live folder
Zetta Enterprise-grade Online Backup
Supports Linux, Mac OS, and Windows, high speed WAN optimization, SAS 70 certified data centers
Zmanda Cloud Backup
Available in German and Japanese languages, supports MS SQL Server, MS Exchange, SharePoint, MySQL Database, System State, Oracle

Versioning

Any changes can be undone, and files can be undeleted.

Acronis
Supports detailed history of changes to files with browsing by date or version number.
AltDrive
Old versions of files are kept for 60 days. Biz customers choose their retention policy of 30 days to 7 years to forever.
Backblaze
Old versions of files are kept for 30 days.
blaucloud  
Keeps old version if vesioning app is activated (included in all plans even FREE) until users runs out of storage.
Box  
Versioning is included in paid subscription
Carbonite
Keeps old versions for up to three months. It keeps one version for each day of the past week, one version for each of the previous three weeks, and one version for each of the previous two months that the file has been backed up. Versioning available for PC computers only; not available for Mac.
Crashplan
Options: All, or staged (daily, then weekly, etc.).
Cubby  
All previous versions and deleted files are kept until explicitly removed by the user or the user runs out of space. All deleted files and previous versions count towards the storage limit.
Dolly Drive
Yes. Keeps unlimited versions of files.
Dropbox
By default, Dropbox saves a history of all deleted and earlier versions of files for 30 days for all Dropbox accounts.[114]
Dropmysite
Provides incremental backups with the ability to download every snapshot.
Druva inSync  
Unlimited, Timeline based restores
ElephantDrive 
Any number of versions can be kept for any amount of time.
Google Drive
Old versions of files are kept for 30 days or 100 revisions. Revisions can be set not to be automatically deleted.
IASO Backup  
All versions of files can be kept for different periods of time, starting from 1 month to 1 year or more.
iDrive  
Up to 30 old versions of files are kept forever (until explicitly removed).
Mozy  
Old version of files are kept for 30 days. Pro 60 days, Enterprise 90 days.[115]
pCloud
Versioning is included for free and paid plans. Deleted files can be restored.
PowerFolder  
Five versions are kept online. In the client it is configurable how many versions to store locally.
SOS Online Backup (Infrascale)
All versions are kept. Only the largest counts towards the storage limit.
SpiderOak
All versions are kept. All files can be undeleted.
SugarSync
Five versions are kept. Only the most recent version of each of existing files as well as deleted files count towards the storage limit.
Syncplicity
Old versions of files, as well as deleted files, are kept for 30 days. Configurable for business or enterprise-class services.
TeamDrive  
All previous versions are kept and can be restored.
Tresorit  
Versioning is included in paid subscription
Zetta Enterprise-grade Online Backup
All versions are kept. All files can be undeleted.

Defunct services

See also

Notes

References

  1. ↑ https://www.grc.com/sn/sn-349.htm
  2. ↑ 2.0 2.1 How Backblaze uses Encryption to Protect your Data
  3. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  4. ↑ Bitcasa
  5. ↑ Techcrunch interview with Bitcasa CEO
  6. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  7. ↑ Upgradable to 20 GB, with friend referral.
  8. ↑ Is there a maximum file size for a single file allowed for being stored in the cloud? "Infinity :)"
  9. ↑ http://feedback.bitcasa.com/forums/184524-bitcasa-feature-requests-suggestions/suggestions/3920475-mirroring-an-external-hard-drive- Bitcasa ext HDD support in development
  10. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  11. ↑ 11.0 11.1 11.2 11.3 11.4 11.5 11.6 11.7 Lua error in package.lua at line 80: module 'strict' not found.
  12. ↑ How to mount Box on Linux
  13. ↑ How to establish a webdav connection in GNOME3
  14. ↑ 14.0 14.1 Lua error in package.lua at line 80: module 'strict' not found.
  15. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  16. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  17. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  18. ↑ Managing Your Private Encryption Key
  19. ↑ Bandwidth Allocation, retrieved 2012-01-25
  20. ↑ [1]
  21. ↑ HomePremier and Business plans only: http://www.carbonite.com/en/home/online-backup-pricing
  22. ↑ HomePlus, HomePremier and Business plans only: http://www.carbonite.com/en/home/online-backup-pricing
  23. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  24. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  25. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  26. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  27. ↑ http://support.crashplan.com/doku.php/faq/mozy#are_crashplan_unlimited_plans_really_unlimited , throttled by setting by default http://support.crashplan.com/doku.php/reference_guide/settings#network
  28. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  29. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  30. ↑ as a local backup option : http://support.crashplan.com/doku.php/getting_started/attached_drive_shared_folder and to backup : http://support.crashplan.com/doku.php/faq/mozy#can_i_back_up_my_external_hard_drive_thumb_drive
  31. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  32. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  33. ↑ Dropbox Lied to Users About Data Security, Complaint to FTC Alleges | Threat Level | Wired.com
  34. ↑ Encrypt Files On The Client-Side Before Uploading To Dropbox | DiggFreeware.com
  35. ↑ 35.0 35.1 35.2 35.3 35.4 Druva Cloud Backup FAQ
  36. ↑ 36.0 36.1 Security & Privacy - Online Storage Protection and Secure File Sharing for Egnyte Cloud File Server
  37. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  38. ↑ Linux | ElephantDrive. Home.elephantdrive.com. Retrieved on 2013-08-10.
  39. ↑ Download Android App | ElephantDrive. Home.elephantdrive.com (2011-12-09). Retrieved on 2013-08-10.
  40. ↑ What is a Personal Key in the encryption settings? : Knowledge Base and Support Center
  41. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  42. ↑ Everywhere folder : Help Desk. Support.elephantdrive.com (2012-07-05). Retrieved on 2013-08-10.
  43. ↑ Tutorials. Vault.elephantdrive.com. Retrieved on 2013-08-10.
  44. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  45. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  46. ↑ Privacy Policy : Support Center
  47. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  48. ↑ Google Drive Is Coming to Linux
  49. ↑ Teresa Wu, community manager for Google drive apps promised linux client in Apr 2012
  50. ↑ Google Drive for Linux Screenshots leak after years of promises
  51. ↑ [2]
  52. ↑ Google Docs, Sheets, and Slides size limits "Files that you upload but don’t convert to a Google Docs, Sheets, or Slides format can be up to 5TB each."
  53. ↑ Google Green - Renewable energy
  54. ↑ http://www.handybackup.net/online-backup.shtml
  55. ↑ 55.0 55.1 Lua error in package.lua at line 80: module 'strict' not found.
  56. ↑ 56.0 56.1 Lua error in package.lua at line 80: module 'strict' not found.
  57. ↑ 57.0 57.1 Lua error in package.lua at line 80: module 'strict' not found.
  58. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  59. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  60. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  61. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  62. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  63. ↑ 63.0 63.1 Encryption and Account Keys : Jungle Disk Support
  64. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  65. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  66. ↑ Online Backups, Hard Drive Backup, Windows Backup | KeepVault
  67. ↑ http://forums.proxure.com/viewtopic.php?t=2141, http://forums.proxure.com/viewtopic.php?t=1389
  68. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  69. ↑ We provide for user controlled encryption (UCE) where you, the user, control the keys.
  70. ↑ Security – Memopal
  71. ↑ http://www.memopal.com/en/supportfaq/i-have-lost-my-password—can-i-retrieve-it.htm
  72. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  73. ↑ 73.0 73.1 Mozy Help : Understanding MozyHome Encryption
  74. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  75. ↑ Storage Made Easy supports OneDrive
  76. ↑ Microsoft SkyDrive for Android app is now available
  77. ↑ Connect to Microsoft OneDrive
  78. ↑ Skydrive secure storage features, Microsoft monitoring, censoring SkyDrive uploads? | WMPoweruser
  79. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  80. ↑ 80.0 80.1 Does SpiderOak use encryption when storing and transferring data?
  81. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  82. ↑ https://spideroak.com/manual/preferences
  83. ↑ Data and File Security - Secure Online Backup – SugarSync
  84. ↑ SugarSync password recovery
  85. ↑ What is max file size for upload? "There is no maximum file size limit for adding the file through the SugarSync Manager application. However, there is a 100MB limit for files being uploaded through the SugarSync website."
  86. ↑ 86.0 86.1 Syncplicity User Manual / About Syncplicity
  87. ↑ Cryptography. Tarsnap (2009-09-04). Retrieved on 2013-08-10.
  88. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  89. ↑ http://www.teamdrive.com/en/features-overview/
  90. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  91. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  92. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  93. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  94. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  95. ↑ UpdateStar - Simplify your software life
  96. ↑ Even though UpdateStar allows you to manage your own private key, they also have an Encryption Key Recovery Service. How that exactly works is not clear from the website.
  97. ↑ Server Edition
  98. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  99. ↑ Questions and Answers
  100. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  101. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  102. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  103. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  104. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  105. ↑ 105.0 105.1 Zcb Faq. Zmanda.com. Retrieved on 2013-08-10.
  106. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  107. ↑ Internet security: Keys to the cloud castle | The Economist
  108. ↑ Why I Use Jungle Disk and Tarsnap — Evil Routers
  109. ↑ Snowden: Dropbox is hostile to privacy, unlike 'zero knowledge' Spideroak | Technology | theguardian.com
  110. ↑ http://security.stackexchange.com/questions/7142/online-backup-how-could-encryption-and-de-duplication-be-compatible
  111. ↑ The Learn The Remaining Information Attack
  112. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  113. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  114. ↑ http://www.dropbox.com/help/122/en 12/2013
  115. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  116. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  117. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  118. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  119. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  120. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  121. ↑ Lua error in package.lua at line 80: module 'strict' not found.
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