How do I change Sort By settings for the Documents Library?

The Documents Library can be sorted by the file Title and Last Modified Date.

To sort your files by Title, click on the Title heading located at the top of the file list. Click on this heading again to toggle between ascending and descending order.

To sort your files by Last Modified Date, click on the Last Modified Date heading located at the top of the file list. Click on this heading again to toggle between ascending and descending order.