Forum Discussion
Uploaded documents to SP from synced file explorer folder gives error messages
HELP! We've created a SharePoint team site and another site owner gets either "the file name you specified is not valid or too long" or "available only online" when she uploads any document thro...
Depending on the length of the site name, library name + folder(s) + file name, it could be longer than allowed for sync. Here's some info on the limits https://support.microsoft.com/en-us/office/restrictions-and-limitations-in-onedrive-and-sharepoint-64883a5d-228e-48f5-b3d2-eb39e07630fa#filenamepathlengths
