1 TB (1 024 GB)
Yes, the entire search path including the file name has to be less than 255 characters. Shorten the file name or the name of the folder containing the file.
Yes, see the following link:
See the following link for more information regarding for example maximum number of files, file size etcetera.
If you are logged into the portal: Click on the cog wheel, select Site Settings and Storage Metrics in the right-hand column.
In the OneDrive client, right-click in the icon in the System Tray, click settings and the Account tab. For detailed information, select Manage Storage instead of settings. This will take you to the same page as when using the portal (see above).
No, they will not affect eachother.
You will have to contact Microsoft support. IT Services are not able to to help you in this case. Contact them at http://support.microsoft.com
Box will be decommisioned after June 21, 2017.
Content updated 2017-11-24