Go here: https://m365.cloud.microsoft/apps
Click OneDrive
Navigate to or search for the file you would like to remove sharing links from
Hover over the file name
Click the 3 dots
Click Manage Access
Click Stop Sharing
Click Stop Sharing
Go here: https://m365.cloud.microsoft/apps
Click OneDrive
Navigate to or search for the file you would like to remove sharing links from
Hover over the file name
Click the 3 dots
Click Manage Access
Click Stop Sharing
Click Stop Sharing