1. Upon login to the Power Platform select the customer you wish to manage.
2. From the dashboard, click on the Users box.
3. From the User-Group-Manager administration window, click on the Entra ID Sync button.
4. Click on Entra ID Settings button. 
5. Click on ENTRA ID USERS & GROUPS.
6. Search for the user you are looking for and click on “Skipped” next to it to turn it into “Syncd”.
7. Click on the Sync Now button.
8. Click on Close.
9. Click on Back.

You should see the user listed now.

How to restore Google Workspace archived users on the Power Platform:

1. Upon login to the Power Platform select the customer you wish to manage.
2. From the dashboard, click on the Users box.
3. From the User-Group-Manager administration window, click on the Google Sync button.
4. Click on Google Settings button. 
5. Click on GOOGLE USERS & GROUPS.
6. Search for the user you are looking for and click on “Skipped” next to it to turn it into “Syncd”.
7. Click on the Sync Now button.
8. Click on Close.
9. Click on Back.

You should see the user listed now.