We can refer to these two links below and learn what files we should back up. For the settings in applications, they should be stored in your user preference files, I suggest you back them up and after the installation replace the existing ones with the backups, check if this helps. For your documents in OneDrive, a reinstallation of Office won't affect them.ģ. I suggest you back up them, then after the reinstallation please restore them.Ģ.
For Outlook Accounts, if they are Exchange Accounts, you don't need to backup anything, just reconfigure them in Outlook and all emails and contacts should be available.Īs far as I know, Outlook data is stored in:
I haven't actually got the chance to do this, but we may consider the items as below:ġ.