DropBox
A powerful tool to keep your computers in sync and to share large files via email is DropBox.
Features:
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File Sync
- Dropbox allows you to sync your files online and across your computers automatically.
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File Sharing
- Sharing files is simple and can be done with only a few clicks.
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Online Backup
- Dropbox backs up your files online without you having to think about it.
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Web Access
- A copy of your files are stored on Dropbox's secure servers. This lets you access them from any computer or mobile device.
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Security & Privacy
- Dropbox takes the security and privacy of your files very seriously.
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Mobile Device Access
For more info check the website