Click on your photo in the lower left corner and select Profile
On the Automatic Actions you can enable Autosave, that will save changes on the Plan tab or any Grids after a change is made. Autorefresh and the refresh timeout will reload pages with update financial data and ETC data after a change is made and the refresh timeout is met. Note the refresh timeout is in seconds.
On the Default Values tab you can set a Favorite Team that will be selected automatically and change sort options for Schedule and Resource like employees.
On the Personal tab common adjustments are to change the default number of hours to schedule, make new assignments Weekly or Total, adjust the Default number of weeks or months to load, show working budgets and report the ETC as of the start of week on Sunday.