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Dispatch by Mio

Switching Between Microsoft Teams Accounts; And What To Do About It

Juggling Microsoft Teams accounts

After using Microsoft Teams since its inception, the one thing that bugs me is switching between Microsoft Teams tenants.

You may have heard that Teams Connect was announced at Microsoft Ignite in March 2021. Further details were unveiled at Microsoft Ignite in November 2021.

With Teams Connect, you’ll be able to share channels with anyone, internal or external to your organization.

Microsoft says “the shared channel will appear within an individual’s primary Teams tenant alongside other teams and channels.”

Teams Connect is currently in private preview mode but Microsoft has now confirmed it will roll out by Q2 2022.

You may also like: Ultimate Guide to External Federation

Switching Between Microsoft Teams Tenants

As a partner, consultant or customer of a business that uses Microsoft Teams, you can be added as a guest to let you access files, chats and information from the external company.

Keeping connected to external businesses is crucial to communication and collaboration.

Guest access is great and is absolutely required. If you’re new to guest access within Microsoft Teams, it’s easy to enable. But, I think the experience needs some work.

Let’s walk through the current external messaging process.

  1. Notification received on Microsoft Teams for a one to one chat, group message or channel activity
  2. Select the account that you have guest access to
  3. Microsoft Teams will now switch you to your guest access in another Microsoft tenant, going through the process of logging in from scratch
  4. Respond to notifications as usual
  5. Flick back to your “main” account which is probably the company you work for
  6. Microsoft Teams switches you back to your main account, going through the process of logging in from scratch


In Skype for Business, you could turn on the federation option. This allowed users to add external Skype for Business contacts in other companies, as well as standard Skype users.

This experience was perfect for users that had contacts that were customers, suppliers or any other form of external party.

From your Skype for Business interface, you have access to your internal contacts, external contacts and could group according to your personal preference or most frequently messaged contacts.

It seems a simple oversight by Microsoft now to have built this functionality into Microsoft Teams but we still remain without true federation, and are currently working with guest access.

Cisco Webex Teams also offers guest access for external users.

When it comes to switching between Webex Teams tenants, Lorrisa Horton made a comment in the Cisco blog regarding the experience.

“We’ve built the solution in a way that surfaces all your spaces within a single interface. It’s simple to get anyone into your Webex Teams spaces. And unlike other tools, you don’t have to navigate separate organization accounts or switch between tabs.”

In Slack, you can add external users to either single-channel access or multi-channel access, stipulating which channels they have access to.

For this functionality to be enabled, you need to be paying for the standard Slack subscription. Slack guest access is restricted, details are laid out on Slack help area.

Microsoft Community Feeling

There have been various grumbles about switching between Microsoft Teams tenants. in the Microsoft community.

Darrell as a Service commented on the lack of simplicity in guest mode in his blog post Tenant switching between accounts ain’t fun:

“I find myself wondering when people will read and respond to my message.”

Darrell’s suggestion echoes most of the Microsoft community. “We want to log into our tenant and concurrently be connected to the teams where we are guests.”

Microsoft Teams and Skype for Business expert, Tom Arbuthnot, suggested that, by now, we really should be able to be in multiple Teams accounts at same time, without switching between Microsoft Teams accounts.

“I work with a lot of customers, so am guests on their tenants. I cheat and run a chrome web app for each of the guest tenants, so I can be signed into multiple tenants at the same time. At a minimum “switching” should be fast (the iOS client handles this very well) but ideally I want all the teams I’m a member of from various tenants to be visible in Teams at the same time.”

The Microsoft tech community forum has been asking for this since 2016.

Whilst Microsoft Teams is set to have feature parity with Skype for Business, the heavy guest users are left feeling unproductive. Microsoft’s comment on this subjectback in August was:

“This is still on the backlog. It is taking a fair amount of investigation to determine the best solution to the request”.

Microsoft update

Microsoft has now provided a guide to guest access. This demonstrates what you can and can’t do via Microsoft Teams guest mode.

Furthermore, Microsoft has also published a matrix comparing features between external access and guest access in Microsoft Teams.

As small businesses start to receive emails alerting them to an auto-upgrade from Skype for Business to Microsoft Teams, these guides will become more and more important to set expectations within your business.

Making The Most Of Guest Access

Once you’ve decided to turn on guest access and make the most of it, you still have to consider your users in other messaging apps like Slack or Cisco Webex Teams.

Guest access, whilst not perfect, solves the problem of messaging external contacts that have Microsoft Teams.

But, you are still in the predicament of messaging colleagues and external users that use Slack and Webex Teams.

This leaves you with X Microsoft Teams accounts. You then have however many Slack channels and Webex spaces still need to communicate with.

Rather than solving one problem but adding another app into your daily work schedule, there is a solution.

When you need to use more than just Microsoft Teams inside and outside your organization, Mio can provide messaging interoperability by connecting the platforms you use to communicate and collaborate.

Demo Mio

Mio is simple to set up:

  • Sync all chat apps your teams use by creating your Mio Hub
  • Add all teams, spaces & channels
  • Team members in your Mio Hub can immediately chat in DMs or groups with members on other platforms
  • File sharing, threaded messages, reactions and the ability to edit and delete messages are all supported
  • New channels or spaces sync in the primary chat platform they prefer to use

We are here to discuss your options. To learn how Mio can sync multiple messaging platforms, check out our video.



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Chat better, together. Mio powers cross-platform messaging across Microsoft Teams, Slack, Webex, and Zoom. Learn more at https://m.io