A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data.
You can't change within the document while open.
- Save File
- Quit excel
- Locate file where you saved it in finder
- verify it proper file by checking date and time it was saved
- click on file name
- now click on it again (not in rapid succession)
- You should now be able to rename.
- Now click anywhere else to get out of edit mode.
- Finally double-click in rapid succession to open file with new name.