Once you have saved a custom filter, it is available in the filter section of the tool ribbon. Any filters available under the filters list can be modified as necessary.
To edit a saved custom filter:
Select My Time or My Expenses from the My Transactions window.
Click on Edit Filters in the Filter section of the tool ribbon.
The Edit Filters window opens.
When finished, click the Published arrow and select how you want to publish the filter. Options are:
Select the team or employees who you want to grant access to, and move them to the Publish to Team or Publish to Employee side of the window.
Click the Close button in the top right corner of the Edit Filters... window.
The updated filter is now available from the Filters selection button. (See example below.)