Microsoft OneDrive has content protection in the Desktop, Documents and Pictures folders. So you can add the standard storage folders to the settings files Windows files and OneDrive will sync them as if they were stored in the regular OneDrive folder. 
Η συγκεκριμένη λειτουργία δεν είναι ενεργοποιημένη από προεπιλογή, αλλά μπορείτε να την ενεργοποιήσετε με μερικά κλικ, από το λογισμικό του ΟneDrive που διαθέτουν τα Windows 10 (is available and OneDrive in Windows 7).
How it works
Cloud storage services like OneDrive are very handy but you should only save your important files in the OneDrive folder instead of the standard Desktop, Documents and Pictures folders.
Microsoft's new "Folder Protection" feature can optionally protect the contents of the folders listed above by synchronizing them with your OneDrive account. So in case you miss or delete something, you can recover your content. Of course you can have these files on any computer that has OneDrive.
By enabling Folder Protection for a folder on two different computers, the contents of the folder will be synchronized between the two computers. For example, OneDrive will ensure that you have the same files in the "Documents" folder on all your computers, and every file you add to the "Documents" folder on one computer will be automatically saved to the others.
Enable folder protection in OneDrive
To find this feature, click the OneDrive icon, the cloud in the notification area, and click "More." The next click must be made in the "Settings" option.
In the OneDrive window that will open, go to the “Auto Save” tab and click on button "Update Folders".
If you don't see an Update Folder button, Microsoft says that the account your is not yet "suitable" for folder protection. We don't know why the feature is present on some PCs and not on others, but we do know that Microsoft has started rolling out the feature. If you don't have it yet, check back later.
OneDrive will ask you to perform "Set up important folder protection". Select the folders you want to sync with OneDrive and click on "Start Protection". OneDrive currently only offers protection for the folders mentioned above, and not for others that may also have important data, such as Music, Downloads, and Videos.
If you have Outlook installed, you may see a message stating that OneDrive cannot protect the Outlook.pst file stored in the Documents folder. Obviously the two Microsoft applications can not work together yet. Of course you can always move the .pst file to another folder from the Outlook options.
Read more for the new feature.
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