Compare software

Google Workspace Sync for Microsoft Outlook vs Outlook Google Calendar Sync: catalog facts
Google Workspace Sync for Microsoft Outlook	Outlook Google Calendar Sync
Free Free download, but it requires a Google Workspace account.	Free Free and open source under MPL-2.0, supported by donations.
Windows	Windows
Lets Google Workspace users keep using Outlook MSI packages for administrator deployment	Syncs attendees, reminders and descriptions Portable version needs no installation
Windows only Requires a Google Workspace account	Windows only and needs desktop Outlook Requires a Google account
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: MPL-2.0
Account needed	Account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.