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List of online backup services

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List of online backup services

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 Personal Encryption2 Limited MB plan3 Unlimited MB plan3 $/MB plan3 Unlimited BW 3 Provider Net drive4 P2P5 Sync6 Autodetect changes11 Public file hosting7 physical media restore8 Server location9 Free online storage (non-trial)12 Maximum per-file size External hard drive support13 Hybrid Option14 Green Hosting ITAR Compliant Provider
Acronis Yes No No No No Yes No 250 Gb No Yes Acronis No No Yes USA, Europe No No limit Yes No Acronis
AltDrive Yes Yes Yes Yes Optional[1] Yes Yes AltDrive No Yes USA No No limit Yes No AltDrive
ASUS WebStorage Yes Yes (only 32 bit) Yes Yes Yes No No Yes Yes ASUS WebStorage No Yes Yes Yes Yes USA, ASIA 5 GB 500 MB Yes No ASUS WebStorage
Backblaze Yes No Yes Yes[2] Optional[2] Yes Yes Backblaze No Yes Yes USA ? No limit Yes ? No Backblaze
Barracuda Backup Service Yes Yes Yes Yes[3] No No fee per computer No Yes Barracuda Backup Service Yes No Yes No Yes USA, APAC, Europe No ? No Barracuda Backup Service
Bitcasa Yes[4] No (Existed, removed, will be rewritten) Yes (Only 64-bit) Yes Yes Yes Bitcasa cannot decrypt data, but uses convergent encryption rather than personal encryption15 [5] Yes Yes No Yes Bitcasa Yes No Yes Yes Yes Yes USA 10 GB[6] No limit[7] No[8] No Bitcasa
Box Yes No Yes Yes Yes Yes Yes[9] No[9] Yes Yes Box Partial Paid users only Yes USA 10 GB 250MB (Free) 5GB (Paid) No Box
BullGuard Backup Yes No No Yes Yes Yes Yes[10] No Yes Yes BullGuard Backup Yes No Yes Yes Europe No  ? No BullGuard Backup
Carbonite Yes No Yes (Home only) Yes Yes Yes Yes for Windows only[11] Yes (Business only) Yes (Business only) Yes (Home only) No[12] Yes (Pro only) Carbonite Yes Yes[13] USA No 4 GB Yes[14] No No Carbonite
Provider Win.1 Linux1 Mac1 Android1 BlackBerry1 iOS1 Encrypted storage Personal Encryption2 Limited MB plan3 Unlimited MB plan3 $/MB plan3 Unlimited BW 3 Provider Net drive4 P2P5 Sync6 Autodetect changes11 Public file hosting7 physical media restore8 Server location9 Free online storage (non-trial)12 Maximum per-file size External hard drive support13 Hybrid Option14 Green Hosting ITAR Compliant Provider
CloudMe Yes Yes Yes Yes Yes, via Storage Made Easy client Yes No, but 3rd party apps available No Yes CloudMe Yes 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[15] No Yes No Yes (5) Comodo Backup No No No No USA No No Comodo Backup
CrashPlan Yes Yes Yes Yes Yes Yes[16] Yes[17] Optional Yes Yes Yes[18] Crashplan Yes[16][Note 1] Optional No Yes[19] No Yes USA, Australia, Europe and Asia[20] No No Limit Yes[21]  ? No Crashplan
Dell Datasafe Yes No No Yes No 10, 30, 50, 100 GB No Dell Datasafe No Yes 2 GB  ? No Dell Datasafe
Dolly Drive No No Yes Yes Yes[22] No Yes No Yes Yes Dolly Drive Yes No Yes Yes No Yes USA, Europe No No limit Yes[23]  ? No Dolly Drive
Diino Yes Yes Yes No[24] No Optional Yes Optional Yes Diino Optional Yes Yes No No limit  ? No Diino
Dropbox Yes Yes Yes Yes Yes Yes Yes No,[25] but 3rd party apps available[26] Yes Dropbox Yes; third-party webdav service, 300 MB write limit apply No Yes Yes Yes USA 2 GB 300 MB (Web Interface) No limit (Desktop client) No No No Dropbox
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[27] Optional[27] Yes[27] Yes[27] No Yes Druva Insync Yes Yes Yes US, Brazil, Singapore, UK, Japan, Australia [27] No No limit Yes Yes Druva Insync
Egnyte Yes Yes Yes Optional[28] Optional[28] Egnyte Yes No Yes Yes Yes USA No No limit  ? No Egnyte
Provider Win.1 Linux1 Mac1 Android1 BlackBerry1 iOS1 Encrypted storage Personal Encryption2 Limited MB plan3 Unlimited MB plan3 $/MB plan3 Unlimited BW 3 Provider Net drive4 P2P5 Sync6 Autodetect changes11 Public file hosting7 physical media restore8 Server location9 Free online storage (non-trial)12 Maximum per-file size External hard drive support13 Hybrid Option14 Green Hosting ITAR Compliant Provider
ElephantDrive Yes Yes[29] Yes Yes[30] Yes Yes[31] Yes No ElephantDrive Yes Yes[32] Yes Yes[33] North America 2 GB Yes  ? No ElephantDrive
EVault Yes Yes Yes Yes No No Yes Yes EVault Yes No No Yes Yes USA Canada UK Ireland No No limit Yes Yes No EVault
Fabrik Ultimate Backup Yes No No Yes No[34] Yes Yes Yes Fabrik Ultimate Backup No Yes No Yes USA 5 GB  ? No Fabrik Ultimate Backup
FileRock Yes Yes Yes Yes Yes Yes FileRock No No Yes Yes Yes No Europe No No limit No No FileRock
FilesAnywhere Yes Partial Yes Yes, via Storage Made Easy client Yes, via Storage Made Easy client Yes, via Storage Made Easy client Optional[35] No[36] Yes No Yes Yes FilesAnywhere Yes, WebAdvanced accounts and up. No Yes Yes Yes Yes USA 1 GB No limit Yes No FilesAnywhere
F-Secure Yes No Yes Yes[37] No[37] Yes Yes Yes Yes F-Secure Yes Europe, US, APAC, several ISP-specific locations No 8 GB No  ? No F-Secure
Google Drive Yes No, but support will come.[38] Or several 3rd party clients available. Yes Yes Yes, via several 3rd party clients Yes No[39] No Yes Google Drive Yes No Yes Yes Yes Worldwide 15 GB 10 GB[40] Partial: 30%[41] No Google Drive
Handy Backup Yes Yes No Yes Yes Yes Yes Yes Yes Yes Handy Backup Yes No Yes Yes No Yes USA, CA Yes No limit Yes Yes No Handy Backup
Humyo (now SafeSync) Yes Partial Yes Yes, via Storage Made Easy client Yes, via Storage Made Easy client Yes, via Storage Made Easy client No Yes Humyo (now SafeSync) Yes Yes Yes United Kingdom No Humyo (now SafeSync)
IASO Backup Yes Yes Yes Yes[42] Yes[42] Yes Yes Yes Yes IASO Backup No No No No Yes Worldwide No No limit Yes Yes No IASO Backup
Provider Win.1 Linux1 Mac1 Android1 BlackBerry1 iOS1 Encrypted storage Personal Encryption2 Limited MB plan3 Unlimited MB plan3 $/MB plan3 Unlimited BW 3 Provider Net drive4 P2P5 Sync6 Autodetect changes11 Public file hosting7 physical media restore8 Server location9 Free online storage (non-trial)12 Maximum per-file size External hard drive support13 Hybrid Option14 Green Hosting ITAR Compliant Provider
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 ? No iCloud
Infinit Yes Yes Yes Yes[43] Optional[43] No Yes No Yes Infinit Yes Yes Yes Yes No limit Yes Yes No Infinit
Jungle Disk Yes Yes Yes No Yes[44] Yes[44] Yes Jungle Disk Yes Yes USA, Europe No 5 GB No Jungle Disk
Kaseya Yes No Yes Yes Yes Yes Kaseya Yes Europe, USA, Asia No limit Yes Yes No Kaseya
KeepVault Yes No No Yes[45] Yes[46] Yes No Yes KeepVault Yes USA 20 GB No KeepVault
Livedrive Yes No Yes Yes Playbook only Yes No No Yes Online Backup only No Yes Livedrive Yes No Yes Yes Yes Yes UK No No limit Yes No Livedrive
Microsoft SkyDrive Yes Yes, via Storage Made Easy client Yes Yes[47] Yes, via several 3rd party clients Yes No[48] No Yes No Microsoft SkyDrive Yes[49] Yes 7 GB for new users, 25 GB for older users 2 GB No Microsoft SkyDrive
MediaFire Yes Yes Yes Yes No Yes Yes Yes Yes No Yes Yes MediaFire No No No No Yes No USA 50 GB 200 MB No No No MediaFire
MEGA Yes Yes Yes Yes No No Yes Yes Yes No Yes Yes MEGA No No No No Yes No Europe 50 GB No limit No No No MEGA
Memopal Yes Yes Yes Yes Yes Yes Yes[50] No[51] Yes Memopal Yes Yes Yes Europe, USA, Asia 3 GB 5 GB No Memopal
MiMedia Yes No No Yes[52] No Yes No Yes Yes MiMedia Yes No No Yes No No  United States 7 GB 3 GB Yes No MiMedia
Mozy Yes No Yes Yes No Yes Yes[53] Optional[53] Yes No Mozy No No No Yes USA, Europe 2 GB No limit [54] Yes No No Mozy
Norton Zone Yes[55][56][57][Note 2] No[55][56] Yes[55][56][58] Yes[55][56][59] No[55][56] Yes[55][56][60] Yes[56] Yes[56][Note 3] 5, 20, 50. 100 GB[61] No[61] No[61] Yes Norton Zone No No Yes[56] Yes[56] Yes[56] No 5 GB[61] No Norton Zone
OpenDrive Yes[62] Can connect thru WebDAV[63] Yes[64] Yes[65] No Yes[66] AES 256 Bit[67] Zero Knowledge Encryption[68] Yes[69] Yes[70] Unlimited Devices[71] Paid Accounts Only[72] OpenDrive WebDAV[73] No Yes[74] Yes[75] Hotlinking[76] Yes[77] USA 5-7 GB[78] Unlimited for Paid Accounts[79] Yes[80] No No OpenDrive
OwnDrive Yes Yes Yes Yes Yes Yes Yes OwnDrive Yes Yes 1 GB No OwnDrive
SpiderOak Yes Yes Yes Yes Yes, HTML5 client in Q4 2012 Yes Yes[81] Yes[81] Yes No Yes Yes SpiderOak Yes No Yes Yes Yes 2 GB No limit Yes Yes[82] No SpiderOak
Provider Win.1 Linux1 Mac1 Android1 BlackBerry1 iOS1 Encrypted storage Personal Encryption2 Limited MB plan3 Unlimited MB plan3 $/MB plan3 Unlimited BW 3 Provider Net drive4 P2P5 Sync6 Autodetect changes11 Public file hosting7 physical media restore8 Server location9 Free online storage (non-trial)12 Maximum per-file size External hard drive support13 Hybrid Option14 Green Hosting ITAR Compliant Provider
SugarSync Yes No Yes Yes Yes Yes Yes[83] No[84] Yes No No SugarSync Yes Yes Yes (SugarSync account needed for folders) 5 GB 100MB (web) No limit (client app)[85] No SugarSync
Syncplicity Yes No Yes Yes[86] No[86] Yes Syncplicity Yes Yes USA 2 GB No Syncplicity
Tarsnap Using Cygwin Yes Yes No No No Yes[87] No No Yes Tarsnap No No No No Tarsnap
TeamDrive Yes Yes Yes Yes No Yes Yes Yes Yes Yes, via self-hosting No Yes TeamDrive Yes No Yes Yes Yes No Germany, Ireland, USA or Hong Kong 2 GB No limit Yes No TeamDrive
Ubuntu One Yes10 Yes Yes Yes Yes No[88] No Yes No Yes Ubuntu One N/A (6) No Yes Yes Yes 5 GB 5 TB[89] No No Ubuntu One
Unitrends Vault2Cloud Yes Yes Yes Yes[90] No No Yes Yes Unitrends Vault2Cloud Yes No Yes No Yes USA No No Unitrends Vault2Cloud
UpdateStar Online Backup Yes No No Yes[91] No[92] Yes[93] Yes UpdateStar Online Backup Europe No UpdateStar Online Backup
usenet backup Yes Yes Yes No No Yes Yes Yes Yes usenet backup No No No No Yes Yes Worldwide Yes, Unlimited No limit Yes Yes No usenet backup
Wuala Yes Yes Yes Yes No Yes Yes Yes[94] No No Yes Wuala Yes No Yes[95] Yes Yes Europe, data distributed in encrypted chunks 5 GB 100 GB[96] Yes Yes: only w/LaCie NAS[97] Yes: 100%[94] No Wuala
Yandex.Disk Yes Yes[98] Yes Yes Yes No[99] No Yes Yandex.Disk Yes No Yes Yes 10 GB 10 GB No Yandex.Disk
Zmanda Cloud Backup Yes No No Optional[100] Optional[100] Yes Zmanda Cloud Backup Yes Yes USA, Europe, Singapore, Japan No limit Yes Yes No Zmanda Cloud Backup
Provider Win.1 Linux1 Mac1 Android1 BlackBerry1 iOS1 Encrypted storage Personal Encryption2 Limited MB plan3 Unlimited MB plan3 $/MB plan3 Unlimited BW 3 Provider Net drive4 P2P5 Sync6 Autodetect changes11 Public file hosting7 physical media restore8 Server location9 Free online storage (non-trial)12 Maximum per-file size External hard drive support13 Hybrid Option14 Green Hosting ITAR Compliant Provider

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 Personal Encryption - 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.[101][102] 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 personal encryption.
  • ^3 Payment method
    • L - Pay per computer. Additional fee for storage over a threshold.
    • U - Pay per computer. Storage per computer is unlimited.
    • M - Pay per unit of storage, but unlimited computers may share that storage.
    • B - Bandwidth capping or limits are used on accounts.
  • ^4 Net drive - a network drive acts as a regular computer drive, but is hosted remotely on a file server. Some common protocols used (FTP, SMB, NAS,...)
  • ^5 P2P storage - data spread over many computers based on peer-to-peer net advantages.
  • ^6 Sync - Synchronization between computers, and/or mobile devices (PDA, MDA,...)
  • ^7 Public Internet file hosting -
  • ^8 Restore via physical media -
  • ^9 Server location - countries where physical servers are located. Where the data will be located.
  • ^10 Still in Beta version
  • ^11 Whether the desktop client (if available) can detect and upload changes without scanning all files.
  • ^12 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.
  • ^13 External hard drive support - Can refer to an alternate backup destination or whether the service can back up external drives.
  • ^14 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.
  • ^15 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 arbirary 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.[103][104]

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.
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
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.
Fabrik Ultimate 
Backup Block-level incremental backups, Encryption: 128 bits standard, 448 bits optional, limited account of up to 3 GB is free. Acquired by Hitachi. According to their tech support, their offering is a branded version of Memopal.
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 data reduction technology. Data de-duplication mechanism. High level 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
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.
Ubuntu One
GPL client
Unitrends Vault2Cloud
Data de-duplication; hybrid on- and off-premise 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.[105]
Windows Live Mesh
Replaces windows live sync and windows live folder
Wuala
Client-side encryption, Wuala does not have access to the data. Hybrid solution only works with LaCie NAS.
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 30 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.
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.
Copy  
Possibly, it is mentioned on their Google App, but not directly on their website [106]
Crashplan
Options: All, or staged (daily, then weekly, etc.).
Dolly Drive
Yes. Keeps unlimited versions of files.
Dropbox
No version history kept in free account as of 2012, but discrete files deleted can be undeleted.
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.
IASO Backup  
All versions of files can be kept for different periods of time, starting from 1 month to 1 year or more.
Mozy  
Old version of files are kept for 30 days. Pro 60 days, Enterprise 90 days.[107]
PowerFolder  
Five versions are kept online. In the client it is configurable how many versions to store locally.
SOS Online Backup
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.
TeamDrive  
All previous versions are kept and can be restored.
Wuala
Ten versions are kept. Only the most recent counts towards the storage limit.
Zetta Enterprise-grade Online Backup
All versions are kept. All files can be undeleted.

See also

Defunct services

Notes

References

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