Aug 18 2021 11:39 AM
Aug 18 2021 01:44 PM
Sep 13 2021 08:43 PM
In the top right corner should be a drop down menu next to the folder name.
Select "Edit Current View", which will jump you over to the SharePoint site, where you can turn on and off various columns. See if the modified/modified by columns were turned off. See if that helps.