A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data.
Hi! Lua Moore,
Welcome to the Microsoft Community! I realize that you've encountered a problem with unable to open last file after updating Excel application and I understand how you feel. In order to be able to further understand your current situation, I sincerely invite you to share the following information with me:
- Have you encountered any error messages while opening the last file? If so, could you please provide a complete screenshot of the information?
- Please provide me with a screenshot of the version of the Excel application you are currently using: open the Excel document, click Excel > About Excel in the upper left corner of the page, and provide me with a complete screenshot of the interface
- Are your files stored locally on your Mac or in OneDrive? Thank you for your understanding and patience and I look forward to hearing from you.Best RegardsEddy | Microsoft Community Support Specialist