You can delete the replaceable InDesign SaveData and InDesign Defaults files by holding down the following keys while InDesign is launching:
- Windows: Shift+Ctrl+Alt
- Mac OS: Shift+Control+Option+Command
2:
- Choose File > Save As.
- Choose InDesign Markup (IDML) as the type (Windows) or format (Mac OS) and click Save.
- Choose File > Export.
- Choose InDesign Markup (IDML) as the type (Windows) or format (Mac OS) and click Save.
3:
There's a deep dive here for preferences if nothing else is working - maybe try this before 4.
https://helpx.adobe.com/ie/indesign/kb/indesign-preferences-support-file-locations.html#:~:text=Wind...
4 Creative Cloud Cleaner Tool
https://helpx.adobe.com/ie/creative-cloud/kb/cc-cleaner-tool-installation-problems.html