Hello, @Sehwag009. I should warn you that the users are not notified when the files are subject to the "expire" retention policies.


But still, you have the possibility of integrating this into a workflow. One more option is to run the script from time to time.


Disposition of content can be a helpful article in your situation.


Keep in mind the 'Principles of retention'.


Check the similar thread in case you still have some questions.


Another suggestion is to learn more about your Microsoft 365 data backups, as your organization's essential data should always be recoverable after any unforeseen issues.