Procedure
- Log on to the Trend Micro Email Security console, go to , and copy the Link to manifest file.
- Log on to the Microsoft 365 admin center with your Global Administrator account.
- Go to .
- Locate and click Report Email.
- On the Report Email screen, click Update app under Actions.
- On the Update file screen, click Provide link to manifest file, paste the link you copied in step 1, and click Validate.
- Wait until the validation is completed and click Next.
- Click Accept and update and click
Done.According to Microsoft, it can take up to 72 hours for the update of an add-in to apply at your users' side.