Import the PST file to the Gmail account
Using GWMMO Tool, we can import data from a Microsoft Exchange account or PST file to a Gmail account. You can import your email, calendar, or contact data, all at once or one application at a time.
Steps to Upload or import O365 PST File to Gmail:
- Download your PST file via Google Vault or from O365.
- Navigate to the G Suite Migration for Microsoft Outlook download page and click the install button to download, and install the utility. https://tools.google.com/dlpage/outlookmigration
- Open G Suite Migration for Microsoft Outlook from the Windows Start menu.
- After starting G Suite Migration for Microsoft® Outlook, enter your destination Google Workspace email id and click continue.
- You will be navigated to the google mail web client, please sign in and Allow the G-Suite Migration tool to access your account settings. You will be navigated back to the Migration tool when you have granted it access successfully.
- Click the dropdown menu under “Select a Microsoft Outlook\x00AE user profile or PST files to migrate, choose From PST File(s)... Select the downloaded PST file and Click Open.
- Make sure “Migrate all data is selected and click Next.
- Leave all Migration settings on default and click Migrate
- Wait for the migration to complete, you will be able to monitor the status as it imports to your account.
- When the migration completes, navigate to your google account and confirm your messages have been imported successfully. The contents of the PST will be available on the left-hand pane under your Inbox as a folder or label.
Please check the below-supporting article for your further reference:
https://support.google.com/a/users/answer/181236?hl=en&ref_topic=2784821