Hi srinugottipati:
Based on your description, we understand that you cannot open files in desktop app, we would like confirm whether you click the option in following picture:
Please check if there are any updates of Office. You can update your Office applications in the following ways: Open Excel -> File -> Account ->Update Options ->Update Now.
If your Office has been updated to the latest version, you can also try the following methods:
Repairing Office from the Control Panel:
Go to Control Panel -> Programs -> right-click on Office applications’ icon -> Change -> Online Repair.
If the problem persists, please provide the following information to help us understand the problem more specifically:
- Screenshot of the version information of the Word you are using. (Open Word->File->Account)
- Do other file libraries have the same problem?
- Does the file stored in OneDrive have the same problem?
Hope this will help you.
Tin