On Android devices I do NOT use Onedrive.Browse for the local Onedrive folder and select the button Use the previously existing library at the new location. Use the Calibre button on the ribbon and choose Switch/create library. Tip: you might speed this up by copying your Calibre Library on a USB memory stick and then copy it in the local Onedrive folder. Check regularly if Onedrive has finished syncing (took another 2 days). Make sure you choose the Calibre Library. In Settings you clear the box Files on Demand and in Account you use Choose folders to choose the folders you want synced to Windows device. On other Windows devices you open the Ondrive app.

This may take a big while (two days for my 5000+ books: see Restrictions above to understand why).

Onedrive will sync the whole Calibre library to the cloud.

When moving is finished exit Calibre and Resume syncing (if you paused it) or restart Onedrive.

Depending on the number of books this may take a while but you can monitor progress. Choose Move library to a new location and select your local Onedrive folder.

Start Calibre, click the Calibre button on the ribbon and choose Switch/create library.

Make at least one copy of your Calibre Library, preferably on an external disk.

First pause syncing on Onedrive or exit it completely Don’t kill me if it doesn’t for you  I use Microsoft Onedrive on the laptop and tablet, and Foldersync and Calibre companion on my phone.Ĭaution: never change something in Calibre while Onedrive can sync.

Calibre mobile app