Forum Discussion
Issue with Sync button missing in Modern Document Library.
So recently the sync button disappeared for some of our document libraries when in modern layout. In classic they are still there and the sync works. It seems to be only for publishing sites. Any...
I found the resolution to your issue.
If the “Sync” option is not available for a library on SharePoint, it could be a couple different things.
Note: Media and Form/InfoPath Libraries will not sync but you can still open them in Windows Explorer and https://sharepointlibrarian.com/2019/01/14/open-a-sharepoint-library-in-windows-explorer-and-save-it-to-quick-access/ so they will function as a mapped drive would.
Sync button is available in one library but no another on the same site
Go to the library for which the sync button is disabled
Go to library settings
Click “Advanced Settings”
Make sure “Offline Client Availability” is set to “Yes”
Go to Site Settings and select “Search and offline availability” from the “Search” section
Make sure “Offline Client Availability” is set to “Yes”
