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- Files stored in OneDrive for Business can be at most 15GB each (new 100 GB limit is rolling out now, and will be everywhere by the end of June 2020)
- Up to 1TB of data can be stored. (You can only sync as much data to your computer as you have available space on your hard drive.)
The following characters in file names aren't supported:
\
/
:
*
?
"
<
>
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#
%
Additionally, a file name that begins with a tilde (~) isn't supported.Info To find and replace invalid characters that may be in your file and folder names locally that you cannot sync to the cloud, you can use a third-party tool such as Bulk Rename Utility.
- If you have more than 100,000 files, sync can take a long time.
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To determine how many items are in your OneDrive Library, open your OneDrive for Business folder in Windows Explorer, select all (Control-a or Edit > Select All), right-click, and select Properties. The pop-up window will tell you how many Files and Folders are in the selection. |
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For more information, see Microsoft's documentation:
- Invalid file names and file types in OneDrive and SharePoint
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