Manually adding yourself to a team requires a number of clicks, so manually adding yourself to a lot of teams will be tedious.
You might prefer to wait and be auto-added to teams instead.
People are auto-added to teams whenever someone at your firm files an email that you're on. Assuming you're receiving emails for projects, you'll be auto-added to those project teams very quickly.
You'll also be added to teams based on involvement in file transfers, RFIs and submittals.
The “Recently Used” project list at the top of the Outlook sidebar manages itself, so just being on a team doesn’t add value to that.
Let us know what you think, especially if there’s something we can do to streamline things.