Jul 12 2021 06:40 PM - edited Jul 12 2021 07:13 PM
The same for the organizer, but you can click the "meeting teams button" in outlook to open a teams meeting. The behavior is so in-consistent took the user so long to figure out.
Jul 15 2021 10:40 AM
Hi @Smokovsky This topic has come up in prior community posts. Could be a transient bug, but others have found solutions that work for them: Missing "Join" button in Microsoft Teams calendar for meetings from external Users - Microsoft Tech ...
How does the Join button work for the Teams Calendar - Microsoft Tech Community