Set up Outlook with Gmail - support.microsoft.com
support.microsoft.com › en-us › officeIn Gmail Advanced settings, make sure Enable G Suite Sync for Microsoft Outlook is selected. Then, under Security, make sure Enable API access is selected. In Directory settings, make sure Enable contact sharing is selected. And finally, under Drive and Docs settings, make sure Allow users to access Google Drive with the Drive SDK API is selected.
Add a Gmail account to Outlook
support.microsoft.com › en-us › officeAdding a Gmail account. Select Outlook > Preferences > Accounts. Click the plus (+) sign > New Account. Type your email address > Continue. Type your password > Add Account. Click Continue. Sign-in to your Gmail account within Outlook for Mac. This is for users who are on Build 16.15.18070902 and higher.