It sounds like the file association for MATLAB figures may have been changed on your computer. Here are a few steps you can try to fix this issue:
1. Right-click on the saved MATLAB figure file and select "Open with". Choose "MATLAB" as the default program to open this type of file.
2. If the above step does not work, you can try resetting the file association for MATLAB figures. To do this, open MATLAB and go to the "Home" tab in the MATLAB desktop environment. Click on "Preferences" and then select "File Associations". Make sure that the "Associate .fig files with MATLAB" checkbox is selected.
3. If neither of the above steps works, you can try reinstalling MATLAB. This will reset all of the file associations and should allow you to open MATLAB figures normally again. I hope these suggestions help you resolve the issue you are experiencing with opening and modifying MATLAB figures
