Some of my contacts have migrated to the new Google Chat which means now I need it installed. Some of my conversations were automatically migrated to Chat but some were not and others have trickled over slowly. I would like to uninstall Hangouts to not have double notifications but I can't quite get there because some group chats in Hangouts have not migrated to Chat so if I uninstall I will lose access to those chats.

I have this notification in Chat

You can only join chats and rooms that you were invited to.

You can only join chats and rooms that you were invited to.

At first I thought "duh, I can never join a chat I wasn't invited to. This isn't new, why are they telling me this?" But now I see that I can't actually create any new chats at all with existing contacts. There is a random assortment of one-on-one chats migrated, group chats (which appear in the one-on-one chats section of Chat) and group chats which migrated over as "Rooms" but no way to create a new one of any of these.

How can I have one messaging app (at least for my Google contacts) again?

  • What platform are you using, web, Android or iOS? (If Android this question should be migrated to Android Enthusiasts, if iOS then it might be on-topic on Ask Different but I'm not sure... so yo should checkout their scope first. – Rubén Jan 30 at 21:34
  • @ruben this is on web (chrome and Firefox) and in the Android app for me. My contacts on iOS have the same situation. – Brad Jan 30 at 21:37
  • Please edit the question to make it focused on the web app, better to choose an specific browser as Google apps sometimes have features that aren't available on all browsers or some issues are specific to some of them. – Rubén Jan 30 at 21:45
  • @Ruben I removed the reference to Android – Brad Jan 30 at 22:36
  • Each app has it's own URL hangouts.google.com | chat.google.com. What do yo mean by install? – Rubén Jan 30 at 23:05

From The latest on Google Hangouts and the upgrade to Google Chat published on October 15, 2020

Starting in the first half of 2021, everyone can begin upgrading from Hangouts to Chat.

As of today (January, 30 of 21), it might be too soon for Google common accounts (i.e. accounts having a @gmail.com email address). If you have a G Suite (not yet updated as Google Workspace) or Google Workspace account, please contact your organization admin.


  • Why do you think my family and friends have been getting banner notices to switch? And why were we able to partially switch? None of these people are part of an organization, all just personal @gmail.com accounts. – Brad Jan 31 at 0:08
  • This mostly all happened in December but is starting to be frustrating now, 1.5 months later. Fyi – Brad Jan 31 at 0:13
  • 1
    I have no idea. Anyway, I added a link that might be related. – Rubén Jan 31 at 0:30
  • The link is interesting. It talks about several features which I don't have in Chat, for example editing old chats. The button is there on the web but it results in a error when clicked and I can't edit. It sounds like the take away is that maybe I/my group was pushed into this early and things should start working for us given the dates you outline. I should maybe report back in a week or two. – Brad Jan 31 at 2:57
  • Close to a month later the update: If you make a new group chat in Hangouts (hangouts.google.com or gmail with the hangouts sidebar) - even if the chat already exists with those people - it will then show up in Chat. And if you give that chat a name then it will become a Room. No progress on additional old chats migrating or the ability to create new group chats/rooms in Chat as opposed to Hangouts. – Brad Feb 23 at 2:12

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