10 Solutions To Download Missing Microsoft Teams Add-In For Outlook

Microsoft wants its user to be capable of moving between its products quickly. One such instance is the combination of Microsoft Teams with Outlook. Users can instantly connect to Microsoft Teams from within the Outlook email client with just one click. 

A taskbar icon will appear in the toolbar at the top of the Office page once the Microsoft Teams add-in for Outlook has been downloaded. However, Microsoft’s most recent version updates are not entirely at fault.

Fix Download Missing Microsoft Teams Add-In For Outlook

People have recently complained that the Microsoft Teams Add-in for Outlook is absent. Even if individuals in this situation successfully installed Microsoft Teams Add-in for Outlook (manually or programmatically), they still find download missing Microsoft Teams add-in for Outlook. 

This frustrates users when organizing group conversations or scheduling sessions because they must revert to the outdated method of starting Microsoft Teams independently, managing their sessions, and then working from there.

What Causes Missing Microsoft Teams Add-in for Outlook?

The add-in taskbar (add-in options bar) not displaying in the primary Outlook window is arguably the most annoying issue with Outlook add-ins. While in other instances, the problem is simply that the toolbar is not positioned in a prominent area. 

In most cases, an add-in is disabled by Outlook (together with its toolbar) because it interferes with another add-in or because it led Outlook to stop working. As a result, Outlook disables the linked add-in to avoid further crashes. Disabled Microsoft Teams Add-in for Outlook has several causes, including

Nested Groups: If a person is withdrawn from a category to which an add-in has been given, the add-in will no longer be visible to the user. Nesting group assignments are not presently supported by centralized installation. Users in nested groups or subgroups with parent groups are not supported; only individuals in top-level groups or groups lacking parent groups are. 

Authentication Requirement: You must sign in to Teams with Modern Authentication to utilize the Teams Session Add-in for Outlook. Microsoft refers to inter authentication by this name instead of the phrase most other products use.

OAuth Exchange Authentication: The add-in exhibits are kept by Exchange Server in your company’s domain. Individuals are getting add-ins, and the administrator installing add-ins must use an OAuth-compatible edition of Exchange Server. OAuth is supported by default in Exchange Multi-Tenant and Committed VNext installations. Although it is not the default setting, OAuth compatibility can be enabled for Exchange Committed Legacy and blended on-premises installations.

Outdated Office: The individuals may be using an outdated version of Office. The individual should have Office ProPlus and Microsoft 365 to install add-ins. You can proceed to check this by running the program, such as Word, and choosing “File” > “Account.” Microsoft 365 Apps for the corporate ought to be listed under Product Details.

Fix Download Missing Microsoft Teams Add-In For Outlook

  1. Re-Register Microsoft Teams addin
  2. Microsoft Team Add-in is not Showing in the Outlook
  3. Check the Registry Path
  4. Reinstall Microsoft Team
  5. Enable Add-In in the Outlook
  6. Verify that Teams is installed on your Computer
  7. Troubleshoot your installation
  8. Modify Meeting Policies
  9. Removing the Teams meeting add-in from Outlook
  10. Run the Troubleshooter

Solution 1: Re-Register Microsoft Teams addin

The Microsoft.Teams.AddinLoader.dll component must first be located; verify whether it is on the following path or not. If so, continue with the next step: 

C:\Users\YourUserName\AppData\Local\Microsoft\TeamsMeetingAddin\1.0.21063.3\x86 

C:\Users\YourUserName\AppData\Local\Microsoft\TeamsMeetingAddin\1.0.21063.3\x86

Check if the DLL file is available by navigating to the target position and replacing the placeholder with your actual user name. 

If the DLL file is in the appropriate places, run the command below after opening the following command in administrative mode. 

regsvr32 Microsoft.Teams.AddinLoader.dll 

The Microsoft Teams addin dll will be registered by this command. You’ll get the success notification once the dll has been logged into the system. Once the Computer has restarted, check if Outlook has the Teams add-in.

Solution 2: Microsoft Team Add-in is not Showing in the Outlook

Our staff tried this procedure, and it solved the problem. Ensure Teams and Outlook are not going on in the background before using this strategy. 

  • Verify that Teams and Outlook are not operating by opening Task Manager. Click on the end phase if you notice any processes running simultaneously. 
  • By hitting Windows + R, launch the Run command. Print the following path into the Run command, then press Enter. 

C: Users % username % AppData Roaming % Microsoft % Teams 

  • Insert your login details in place of the percent username percent. A second window containing the Teams Application Cache Subfolder will now appear.
  • Remove every File stored in this location.
  • Visit the Teams first and give them a few minutes to download fully.
  • Launch Outlook after that, let all DLL time load for 2–3 minutes and then verify whether the Teams Session Icon has returned to Inbox or not.
Launch Outlook after that, let all DLL time load for 2–3 minutes and then verify whether the Teams Session Icon has returned to Inbox or not.

Solution 3: Check the Registry Path

Verify TeamsAddin. There is a FastConnect registry key, and the number for the reload behavior is set to 3. If not, read the directions below. 

 Hit Windows + R to launch the Run program, type Regedit , and press Enter. This command will launch the Registry editor interface. 

Computer\HKEY_CURRENT_USER\Software\Microsoft\Office\Outlook\Addins\TeamsAddin.FastConnect

 Hit Windows + R to launch the Run program, type Regedit, and press Enter.

Right-click and build a new registry entry with the same username if the TeamsAddin.FastConnect registry item is missing. Right-click on an open space on the right-hand side, select New > DWORD (32-bit) value, and give the new valuation the title LoadBehavior. 

LoadBehavior DWORD should be double-clicked, and Value should be set to 3. Exit the registry editor by clicking Ok.

Solution 4: Reinstall Microsoft Team

  • Appwiz.CPL will display the Applications and Accessories window when you run the Run command by pressing Windows + R.
  • Click Uninstall after searching for Microsoft Teams. Restart the device once after uninstalling. 
  • Go here to install the program after the system has restarted. 
  • Once the program has been installed, start Outlook and see if the Teams Add-in is available. If not, move on to the following resolution.
Install the microsoft teams
  • Download Microsoft Teams
Download teams for work on your laptop
Download teams for work on your laptop

Solution 5: Enable Add-In in the Outlook

  • Select Options from the File menu in Outlook. You will now see a different window. 
  • Search for Add-ins on the Left-Hand Sidebar; the Right-Hand Side Panel will display Control COM Add-ins. 
  • Select GO. For COM Add-ins, you would then see a distinct panel. 
  • After selecting the Microsoft Teams Meeting Add-in for Office checkbox, choose OK.
After selecting the Microsoft Teams Meeting Add-in for Office checkbox, choose OK.

Solution 6: Verify that Teams is installed on your Computer

Check to see if Microsoft Teams is installed on your Desktop Computer before downloading and installing it. Select Microsoft Teams from the Menu bar. If Teams has already been set up, you’re good to go!

Check to see if Microsoft Teams is installed on your Desktop Computer before downloading

Solution 7: Troubleshoot your installation

The Software Installation and Uninstall Troubleshooter must first be downloaded. Activate the troubleshooter. To fix your system, adhere to on directions. Try installing Teams once more after restarting your system.

Try installing Teams once more after restarting your system.

Solution 8: Modify Meeting Policies.

By enforcing meeting policies, administrators can limit which features are available to meeting participants. You won’t be able to view the Add-ins in your Outlook if the Meeting Policies disable the Outlook Add-ins capability. 

  • Start your browser and open the Microsoft Teams Add-in Center. 
Start your browser and open the Microsoft Teams Add-in Center.
  • Search for Meeting policies on the left panel and the Allow the Outlook Add-in option on the right side of the window. 
Search for Meeting policies on the left panel and the Allow the Outlook Add-in option on the right side of the window.
  • Switch the Enable the Outlook Add-in button to allow it, reboot Microsoft Outlook, and verify to see if the problem has been fixed.
Switch the Enable the Outlook Add-in button to allow it

Solution 9: Removing the Teams meeting add-in from Outlook

Click File> Manage Add-ins in Outlook. Advice: This launches Outlook online. Clear the box next to the add-in you wish to disable below. Manage Add-ins in the Turned On section.

Click File> Manage Add-ins in Outlook
Select options
Look for Add-ins
Remove add-ins

Solution 10: Run the Troubleshooter

Choose Settings > Services & add-ins from the sidebar. After locating Microsoft Teams:

  • Turn on Additional Apps.
  • In Microsoft Teams, turn on Enable additional app.
  • Try looking for Dynamics 365 in the Microsoft Teams app store once more after restarting Microsoft Teams.
Run the Troubleshooter

How to Use the Teams Add-In

The Teams Add-In enables scheduling sessions from the Outlook client to be incredibly simple. You should be aware that the add-in only allows you to channel sessions, not arrange sessions with specific attendees. You must use the Microsoft Teams app to arrange channel sessions.

In the Mobile App

Similar to how it is used for Outlook for Web, the Teams add-in can be utilized when establishing a new meeting. 

  • From the screen’s bottom, select the “Calendar” button. 
From the screen's bottom, select the "Calendar" button.
  • Next, click the “+” icon to add a new event. 
Next, click the "+" icon to add a new event.
  • Scroll to the bottom of the “Teams Meeting” option and turn it on in the meeting setup screen. 
Scroll to the bottom of the "Teams Meeting" option and turn it on in the meeting setup screen.
  • The information for the Teams session will show up in the calendar event after you send the meeting invite. 
The information for the Teams session will show up in the calendar event after you send the meeting invite.

The Teams add-in isn’t accessible in some situations if you or individuals in your business switched from Skype for Business to Teams. The Teams add-in isn’t accessible in the mobile app while using Teams in Island founder mode, which permits both Skype and Teams clients.

In the Outlook Windows Desktop app

  • If Outlook is downloaded through the Microsoft Store, the Teams add-in won’t appear. If you use the Teams meeting add-in, download the click-to-run Microsoft word. 
  • It would be best if you used for scheduling Teams meetings to use the Teams Add-in. The add-in won’t appear if the principal user attempting to set up an appointment doesn’t have an Outlook mailbox. 
  • Users must authenticate into Teams utilizing Modern Authentication to use the Teams Add-in. The add-in won’t be accessible if your organization hasn’t turned on modern authentication. However, to utilize the add-in, you must sign in once more using multi-factor authentication if modern authentication is enabled and you choose to proceed with the dialogue box on your PC.
Users must authenticate into Teams utilizing Modern Authentication to use the Teams Add-in.

In Outlook for Web

  • Enter your Microsoft account to log in to Outlook for Web at outlook.com. From the settings on the left taskbar, select the “Calendar” option. 
  • Then, to start a new session, select “New Event.” 
  • To immediately plan a session in Microsoft Teams from Outlook, turn on the “Teams meeting” option. 
  • The information for attending the session will show in the event after you deliver the scheduled meeting.
plan a session in Microsoft Teams from Outlook, turn on the "Teams meeting" option.