You can print a message in Shortwave via the message overflow menu.
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menu that appears to the right of the sender's nameGuides
The Shortwave Method
Shortwave AI Assistant
Migrating from Gmail
Compose & send
Bundles
Smart Labels
Shortwave for teams
Billing
Security
How-tos
Download desktop
Default email app
Enable push notifications
Troubleshoot push notifications
Manage multiple accounts
Sync Gmail settings
Integrate Shortwave with your CRM
Troubleshoot missing threads
Print a message
Download EML file
Google Advanced Protection
Import full history
Downgrade account
Delete account