Microsoft Teams Web Access


🤔 Microsoft Teams Guest Access & Multiple Accounts: Everything You Need to Know

Microsoft Teams guest access is the most read post on the Microsoft tech community forum. More users than ever are struggling to manage Microsoft Teams multiple accounts.

The post has 380k+ views since 2016 and we’re seemingly getting closer to a solution.

Once a user has access to Microsoft Teams they can create a new team from their browser, desktop or mobile app. This is the default setting and applies to everyone, except external guest users. As the creator of a new team, the user can control access, content and most importantly how the features support their own collaboration needs (e.g. It’s also important to note that guest access is tethered to an org’s Azure AD, Office 365, or Microsoft 365 service limit. Teams External Access Overview Defining External Access. External access is defined as “a way for Teams users from an entire external domain to find, call, chat, and set up meetings with you in Teams.”. After enabling Conditional Access on the tenant in Microsoft Teams, some tabs no longer functioning in the desktop client as expected. However, the tabs load when using the Web Client. The tabs affected are the website tabs and app tabs (such as Power BI, Forms, VSTS, PowerApps, and SharePoint List) that open an AAD authentication dialog requiring users to sign in with their AAD credentials. Open Microsoft Teams. Click the more options button next to your profile picture at the top. Go to About in the menu. The sub-menu will show options for enabling preview features. Access Microsoft Teams settings – Admin. To access Microsoft Teams admin settings, you need to have access to the admin account and you need a web browser.

This post has been constantly updated as different workarounds and cries for help have emerged.

You may have heard that Teams Connect was announced at Microsoft Ignite in March 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 says it will roll out later in 2021.

You may also like: Ultimate Guide to External Federation in Teams

How do I manage multiple Microsoft Teams?

While the desktop version of Microsoft Teams doesn’t support the management of multiple Teams, you can use this workaround to manage multiple Teams accounts:

  1. Open your Microsoft Teams desktop on the tenant you will spend most of your time in.
  2. Open a browser and open the browser version of Microsoft Teams for the tenant you spend the next amount of time in.
  3. Add additional tabs to your browser as you need access to more tenants.

The plus side here is that you have access to all the tenants you need.

The downside is that you’re constantly switching between Teams and your browser.

Microsoft Teams Web Access

You might also close your browser by mistake and have to start over.

Use universal channels to manage multiple Microsoft Teams

Instead of opening a new browser tab each time you need to access a different Teams tenant, you could start a universal channel from your primary Teams tenant.

When you install the universal channels app in Teams, you can invite members of other Teams instances and chat with them as if they were in your tenant.

In the screenshot below, you can see Mio joining two tenants together so you can message between Micorosft Teams accounts without leaving your primary one.

You’ll still need to switch between tenants if you need to join regular meetings with them. But, for day-to-day messaging, universal channels save a heap of time.

You can install your first universal channel for free here.

Microsoft Teams guest access on desktop

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.

Microsoft Teams guest access is great and is absolutely required. If you’re new to guest access within Microsoft Teams, it’s easy to enable.

How does guest access work in Microsoft Teams?

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 to 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 back to your main account, going through the process of logging in from scratch

Switching between Microsoft Teams accounts on mobile

On 4th August 2019, Randy Chapman, Head of Consulting at Enablit, posted a blog covering “How to add a second account to the Teams mobile app”.

Here he explains that Teams users on both Android and iOS now have the ability to add more than one account to the Teams mobile client.

How to switch between accounts on Microsoft Teams

  • Sign into Teams
  • Tap on the Menu key then navigate to Settings
  • Choose add account
  • If you signed into an existing account, tap the existing account
  • Select account and sign in
  • Switch between Microsoft Teams guest access accounts!

You may also like:Microsoft Teams and Cisco Webex Teams: The Best of Both Worlds

The difference between SFB federation and Microsoft Teams guest access

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.

Important: federation and guest access are different scenarios. Federation allows chats with external tenants and shares presence information. Guest access requires switching to your secondary tenant (tenant you are a guest on) to access files and participate in team collaboration activities.

One to one federation in Microsoft Teams

Good news!

Enabling federation in Microsoft Teams is just as easy as it was in Skype for Business.

In the Microsoft Teams admin center, head to Org-wide settings, then click on External access.

Microsoft Teams Web Access Download

By default, your tenant should be set to On.

Just toggle the button if not.

As you can see above, there are two options for external access.

The first allows Teams users to communicate with Skype for Business and Teams users.

The second allows Skype for Business users to communicate with Skype users. For clarity, that’s consumer-grade Skype.

You may also like: Microsoft Teams Chat With External Users

Community feeling around Microsoft Teams guest access

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 Web Access

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 the 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.

Unknown users in Microsoft Teams

Zev Yanovich also recently reported an issue when adding new external members to a team. Email addresses are being converted to “Unknown”.

Another Teams forum member, Christine Stack posted in reply that she is having a similar issue:

“If I go to Outlook to add them to the Office 365 group they show that they are added in with their correct names. I also used the Teams & Skype admin center to check to on them but they are not listed there as users, neither is my gmail account which is functioning as a guest in Teams but my Hotmail account is listed there as a guest Teams user.”

Since posting, Christine has confirmed that her issue has been remedied, but wasn’t entirely sure what the solution was.

You may also like: How to use Microsoft Teams with Cisco Webex Teams

Most heavily requested Teams feature

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 subject back in August 2018 was:

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

The lack of clarity over guest access even sees the query of “Can I add guests to my team? If so, how?” make the top 10 Microsoft Teams questions during the Microsoft Ignite tour.

Aya Tange, Product Marketing Manager at Microsoft, shares the top 10 and the answer to how to setup guest access on the Microsoft blog.

You may also like: Skype for Business to Microsoft Teams Auto-Upgrades: FAQ

Initial workaround from Microsoft

Microsoft originally 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.

Guest access in other apps

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. “

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 the Slack help area.

Making the most of guest access

Access Microsoft Teams From Browser

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.

Microsoft Visual Studio Team Web Access Xss Vulnerability

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.

You may also like: Upgrading to Microsoft Teams, but also have Slack users?

Demo Mio

Mio is simple to set up:

  • Sync all chat apps your team’s users 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 everyone prefers 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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Teams have now become almost synonymous with meetings and work from home, especially given the recent surge due to the pandemic. The most significant appeal of Teams is the ability to chat and hold meetings from within a single interface. However, Teams are not just for a chat and video calls. As I have explained previously, Teams as an application does not exist out there in space by itself – it is tied to various other apps via a Microsoft 365 Group (formerly Office 365 group). As a result, another great advantage of Teams is that it serves as a front-end in a way to the document management backbone we call SharePoint. In this post, I want to provide a few ways users can access documents from within Microsoft Teams.

Option 1: Files Tab within a Channel

The most apparent location to access documents from Teams is the Files Tab that is part of every channel in MS Teams. It shows the documents that are part of the channel that are stored in the namesake folder in a document library on a SharePoint site that is connected to Teams.

Option 2: Open in SharePoint button

If you need the full power of SharePoint or need to access files residing in the same library but outside of the channels, you might want to click Open in SharePoint button you have within each channel.

This will open up a folder for the channel in SharePoint.

In case you have a Private channel, it will open up a library/folder on the separate, Private Site. To learn more about this – check out this post.

Option 3: Tab to a document library

Another way to access documents, especially those that reside elsewhere, is by using a Tab feature. You can link to any document library residing on any SharePoint site.

  1. Click “+” sign Tab next within a Channel
  2. From the list of apps, choose Document Library
  3. On the next screen, you can choose from a list of relevant sites or specify a URL yourself (which is what I am doing)
  4. Once URL above is resolved, click Next
  5. Next, choose a specific library you want to add (in my case I only have one), hit Next
  6. Give your Tab a name, click Save
  7. Your library has now been added as a Tab within the channel


At the moment, when you add a library that contains Metadata, metadata will not show in MS Teams. However, there is a workaround to make it happen. Instead of adding a Document Library as a Tab, add it as a Website.

Make sure to enter the full path of a library/view that contains metadata into the URL field and click Save.

This will embed a library with metadata, and you will be able to filter/sort/group as if you are in the native document library on a SharePoint site.

Option 4: Add cloud storage within the channel

If you like the convenience of accessing all your files from a single location within a channel, then you might benefit from Add cloud storage option.

  1. From the Files Tab within a given channel, click Add cloud storage.
  2. You can add any cloud storage, not necessarily SharePoint-based (i.e., Dropbox, Google Drive, etc.). In this example, let’s first add SharePoint based files. Click on SharePoint
  3. The process is very similar to adding a Document Library as a Tab. You just add a library URL
  4. And then click Add folder.
  5. It will be added as a “folder” within the existing channel.
  6. The beauty of this method is that it does honor/display metadata from the document library.
  7. Another cool thing about this method is that you can also add storage from other, 3rd party providers (i.e. Dropbox)
  8. Once you go through the authentication process…
  9. …It will appear as a folder with Teams Channel.
  10. Since you are just displaying files from 3rd party – you will not be able to add or edit them – that will need to occur at the source (i.e., Dropbox)

Access Microsoft Teams On Web

Option 5: Files Tab in MS Teams Menu

If you need to just access recent docs you worked on from within MS Teams, you can click on the Files tab on the left. Once you do, you will be presented with the files you accessed recently.

Teams Browser

Option 6: Commands Screen

Microsoft Team Log In

Lastly, another way to access documents from Microsoft Teams is by using a command prompt on the top of the screen. Just like the option above, it will show you a list of recently accessed files, but without leaving your current team/screen.