As you launch the Gmail Backup Tool for Mac, you will find the screen presented below:
Follow the given steps to easily back up and migrate your Gmail emails.
You will get two options on the first panel: Gmail(Login Using 3rd party Password) and Gmail(Login using Client ID, Client Secret).
If you choose Gmail(Login using Client ID, Client Secret), first enter your Email ID and click on Sign In. The software will direct you to the browser for authentication. Once authentication is successful, return to the tool.
Next, choose the Google services you want to migrate: Mail, Contacts, Calendar, Drive, and Photos. Select the desired ones, your saving output, and backup data.
Alternatively, if you choose Gmail(Login Using 3rd Party Password), enter Gmail login credentials (Email ID and Third-party App). Click on Sign In.
You will see the list of all folders of Gmail mailboxes and the total count. Select the desired folder you want to migrate/backup/convert. Click on Next to proceed.
In this panel, select the Save in File Format radio button and choose PST as the saving option from the list.
For more precise Output, apply these features of the tool:
Also, you can apply the following additional features:
Tick the Date Filter checkbox to convert emails falling between a specific date range. Press Next.
Click on the Save Path button to choose a desired saving location for the Output PST. Click on Download to begin conversion.
Now, if you want to migrate from Gmail to another email client, choose Migrate in the Email Client option.
After that, pick Office 365 from the list of Email clients. Enter your Office 365 ID and click the Sign In button. Further, authenticate the Sign In procedure.
Apply these additional options to customize the results:
Once you are done with these steps, click on the Next button.
Also, apply:
Click on Download to begin Migration. Once Migration is complete, click on OK.