I organized alternatives into three categories: Let’s find out all possible ways to do the same syncing task.
However, after Google discontinued it for free Gmail account users back in mid of 2014, almost everyone has been looking for an alternative. It has enabled users to sync between Outlook 2016/2019 and their Google Calendars for years instead of manually importing/exporting as VCF and ICS files. Google Calendar Sync for Outlook is an Outlok add-in (x86/圆4) from Google.
