Note To determine which OneDrive sync client you're using, see the following Microsoft website:
When you use OneDrive for Business, you find that the program resynchronizes files, even when there is no apparent reason for the files to resync.
Also, when this problem occurs, some documents may generate the following error message during the resync process:
Note After you apply the update that's discussed in this section, your local libraries may show additional messages in the View Sync Problems dialog box, and these will have to be resolved. If you continue to experience errors after you apply the public update, right-click the OneDrive for Business cloud icon in the notification area, select View Sync Problems, and resolve any outstanding issues. If specific files or folders aren't syncing, try to move the affected files or folders out of the OneDrive for Business folder. Then, right-click the OneDrive for Business cloud icon, and select Sync Now. Then, move the files or folders back to their original location, and select Sync Now again.
You may have to remove the OneDrive for Business cache if the messages in the View Sync Problems dialog box can’t be resolved. For more information about how to do this, go to the following Microsoft Knowledge Base article:
If you have the .MSI based edition of Office 2013 or Office 2016To resolve this problem, download and install the February 1, 2016, update for OneDrive for Business for Office 2013 or Office 2016, depending on your installation. To determine whether your Office installation is Click-to-Run or .MSI-based, follow these steps in the "More Information" section of the following Microsoft Knowledge Base articles:
3085430 February 1, 2016, update for OneDrive for Business for Office 2016