Issue : I came across a situation where certain items in a SPO List was read only and that too for just one user and this user is also a Site Owner with Full Control on the List and Site. It was a strange situation as other users were able to edit those List items - the affected user tried Data Grid option as well but couldn't edit. This was similar to item level permission set on the List but in this case it wasn't set. Resolution : After some external support it was found that this was caused by List Sync, once the sync was stopped the items were editable. Here are the steps: 1. Go to their List home page (App menu in the upper right of SharePoint -> All Apps -> Lists). 2. Find the list you'd like to stop syncing. 3. Click the ... button pictured below. 4. If the list is syncing, there will be a menu option for "Stop Syncing". Click on stop syncing to stop the syncing. If you want to disable sync for all users for a particular List then: Navigate to List S...
My experiences with SharePoint and other technologies