Remove Google access first
Click on Account in the bottom left of the Limitless web / Mac / Windows app
Click on Google Settings
Under "Limitless AI has some access to your Google Account" section, click on "See details"
Click "Remove access"
Go through the onboarding flow again
Log out of the Limitless app (Account > Sign out)
Log back in
You'll be prompted to Connect your Calendar and Gmail again via the Onboarding Screen
If you don't see the onboarding screen, open up https://app.limitless.ai/onboarding in any browser