Compare external and guest access
|Feature||External access users||Guest access users|
|User can chat with someone in another company||Yes||Yes|
|User can call someone in another company||Yes||Yes|
|User can see if someone from another company is available for call or chat||Yes||Yes1|
|User can search for users across external tenants||Yes2||No|
|User can share files||No||Yes|
|User can access Teams resources||No||Yes|
|User can be added to a group chat||No||Yes|
|User can be invited to a meeting||Yes||Yes|
|Additional users can be added to a chat with an external user||No3||N/A|
|User is identified as an external party||Yes||Yes|
|Presence is displayed||Yes||Yes|
|Out of office message is shown||No||Yes|
|Individual user can be blocked||No||Yes|
|@mentions are supported||Yes4||Yes|
|Make private calls||Yes||Yes|
|View the phone number for dial-in meeting participants||No5||Yes|
|Allow IP video||Yes||Yes|
|Screen sharing mode||Yes4||Yes|
|Allow meet now||No||Yes|
|Edit sent messages||Yes4||Yes|
|Can delete sent messages||Yes4||Yes|
|Use Giphy in conversation||Yes4||Yes|
|Use memes in conversation||Yes4||Yes|
|Use stickers in conversation||Yes4||Yes|
1 Provided that the user has been added as a guest and is signed in as a guest to the guest tenant.
2 Only by email or Session Initiation Protocol (SIP) address.
3 External (federated) chat is 1:1 only.
4 Supported for 1:1 chat for Teams Only to Teams Only users from two different organizations.
5 By default, external participants can’t see the phone numbers of dialed-in participants. If you want to maintain the privacy of these phone numbers, select Tones for Entry/exit announcement type (this prevents the numbers from being read out by Teams).If you don’t want to reveal external PSTN phone numbers to external users, when you turn on Entry/exit announcements, select Tones for the announcement type.