To enable the Collaboration preview feature, log in to the Power Platform Administration Center, select the Environment >> Settings >> Features >> Collaboration
Currently, the following entities are supported – Case, Contact, Account, and Opportunity.
Enabling this feature adds a new section in the command bar for the records, that allows us to see the other users working on the same record.
Here we can see 2 other users working on the same contact record.
We can select the user’s picture to see their status, send an email, start teams chat, and open the contact card.
Send Email opens the default mail app with To populated.
Teams chat opens the team for a chat.
Open contact card opens the contact’s card.
Share allows emailing the link of the current record and sharing the record.
Email link –
Clicking on Manage access opens the share records dialog.
Get all the details here –
Also check – Collaborate using comments –https://nishantrana.me/2021/12/16/collaborate-using-comments-preview-in-modern-app-designer-power-apps-dynamics-365/
Hope it helps..