10 Solutions to Download Missing Microsoft Teams Add-in for Outlook

Microsoft wants its users to be able to quickly switch between its products. One such example is the combination of Microsoft Teams with Outlook. Users can instantly connect to Microsoft Teams from their Outlook email client with a single click.

The taskbar icon will appear in the toolbar at the top of the Office page after you download the Microsoft Teams add-in for Outlook. However, the latest Microsoft version updates are not entirely to blame.

Recently, people have been complaining about the missing Microsoft Teams add-in for Outlook. Even if people in this situation have successfully installed the Microsoft Teams Add-in for Outlook (manually or programmatically), they will still find the missing Microsoft Teams Add-in for Outlook.

This frustrates users when organizing group conversations or scheduling sessions, as they have to revert to the legacy method of launching Microsoft Teams independently, managing their sessions, and then working from there.

What causes the missing Microsoft Teams add-in for Outlook?

Add-in taskbar (add-in options bar) not showing in the main Outlook window is perhaps the most annoying problem of Outlook add-ins. While in other cases the problem is simply that the toolbar is not located in a prominent place.

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

Nested groups: If a person is excluded from a category to which an add-on has been assigned, the add-on will no longer be visible to the user. Nested group assignments are not currently supported by centralized installation. Users in nested groups or subgroups with parent groups are not supported; only individuals in top-level groups or groups that do not have parent groups.

Authentication requirement: You must sign in to Teams using modern authentication to use the Teams session add-in for Outlook. Microsoft refers to internal authentication by this name rather than the phrase most other products use.

OAuth Exchange Authentication. The add-in exhibits are stored by the Exchange server in your company’s domain. Individual users receive add-ons, and the administrator who installs the add-ons must be using an OAuth-compliant version of Exchange Server. OAuth is supported by default in Exchange Multi-Tenant and Committed VNext installations. Although not a default setting, OAuth compatibility can be enabled for legacy Exchange Committed and mixed on-premises installations.

Legacy Office. Users may be using an outdated version of Office. A person must have Office ProPlus and Microsoft 365 to install add-ons. You can check this by launching a program like Word and choosing File > Account. Microsoft 365 Enterprise Apps should be listed in the Product Details section.

Fix loading missing Microsoft Teams add-in for Outlook

1. Re-register the Microsoft Teams add-in
2. Microsoft Team add-in does not appear in Outlook
3. Check registry path
4. Reinstall Microsoft Team
5. Enable add-in in Outlook
6. Make sure Teams is installed on your computer
7. Troubleshoot installation
8. Edit meeting policies
9. Remove the Teams Meeting Add-in from Outlook
10. Run the troubleshooter

Solution 1: Re-register the Microsoft Teams add-in

First you need to find the Microsoft.Teams.AddinLoader.dll component; check if it is in the following path or not. If so, go to the next step:

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

Check if the DLL file is available by going to the target position and replacing the placeholder with your actual username.

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

regsvr32 Microsoft.Teams.AddinLoader.dll

This command will register the Microsoft Teams Add-in DLL. You will receive a success notification as soon as the dll enters the system. After your computer restarts, check if Outlook has the Teams add-in.

Solution 2 – Microsoft Team Add-in is not showing up in Outlook

Our staff tried this procedure and it solved the problem. Before using this strategy, make sure Teams and Outlook aren’t running in the background.

• Verify that Teams and Outlook are not running by opening Task Manager. Click on End Phase if you notice any processes running at the same time.
• By pressing Windows + R, launch the Run command. Type the following path into the Run command, then press Enter.

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

• Paste your login details in place of the username percent. A second window will appear containing a subfolder of the Teams app cache.
• Delete all files stored in this location.
• First, visit Teams and give them a few minutes to fully load.
• After that, start Outlook, wait for all the DLLs to load for 2-3 minutes, and then check if the Teams session icon is back in your inbox or not.

Solution 3 – Check the registry path

Check TeamsAddin. There is a FastConnect registry key and the number for reboot behavior is set to 3. If not, read the instructions below.

Press Windows + R to launch the Run program, type Regeditand press Enter. This command will launch the registry editor interface.

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

Right-click and create a new registry entry with the same username if the TeamsAddin.FastConnect registry entry is missing. Right-click the free space on the right, choose New > DWORD Value (32-bit) and name the new evaluation LoadBehavior.

Double click the LoadBehavior DWORD and the value should be set to 3. Exit the Registry Editor by clicking OK.

Solution 4 – Reinstall Microsoft Team

• Appwiz.CPL will display the Apps and Accessories window when you launch the Run command by pressing Windows + R.
• Click Uninstall after searching for Microsoft Teams. Reboot your device once after uninstalling.
• Go here to install the program after a system reboot.
• Once the program is installed, launch Outlook and see if the Teams add-in is available. If not, move on to the next solution.
• Download Microsoft Teams

Solution 5 – Enable the add-in in Outlook

• Select “Options”from the “File”menu in Outlook. Now you will see another window.
• Find add-ons on the left sidebar; Control COM add-ins appear in the right sidebar.
• Select GO. For COM add-ins, you will see a separate panel.
• After selecting the Microsoft Teams Meeting Add-in for Office check box, click OK.

Solution 6 – Make sure Teams is installed on your PC

Before downloading and installing, please check if Microsoft Teams is installed on your desktop computer. Select Microsoft Teams from the menu bar. If Teams is already set up, you’re done!

Solution 7 – Troubleshoot the installation

First you need to download the software installation and removal troubleshooter. Activate the troubleshooter. Follow the instructions to fix your system. Try installing Teams again after the system restarts.

Solution 8 – Change meeting policies

By applying meeting policies, administrators can restrict the features available to meeting participants. You won’t be able to view add-ins in your Outlook if meeting policies disable the Outlook add-in capability.

• Launch your browser and open the Microsoft Teams Add-in Center.
• Locate Meeting Policies in the left pane and the Allow Outlook Add-in option in the right side of the window.
• Toggle the Enable Outlook add-in button to allow it, restart Microsoft Outlook, and check if the issue is resolved.

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

Click File > Manage Add-ins in Outlook. Tip: This starts Outlook on the web. Uncheck the box next to the add-on you want to disable below. Manage add-ons in the “Enabled”section.

Solution 10 – Run the troubleshooter

Select Settings > Services and Add-ons from the sidebar. After discovering Microsoft Teams:

• Turn on More Apps.
• In Microsoft Teams, turn on the Enable additional app setting.
• Try to find Dynamics 365 in the Microsoft Teams app store again after restarting Microsoft Teams.

How to use the Teams add-in

The Teams add-in makes scheduling sessions incredibly easy from the Outlook client. You should be aware that the add-on only allows you to direct sessions, not to organize sessions with specific visitors. You must use the Microsoft Teams app to host channel sessions.

On the mobile app

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

• Select the Calendar button at the bottom of the screen.
• Then click the “+”icon to add a new event.
• Scroll down to the Teams Meeting option and turn it on on the meeting setup screen.
• The Teams session information will appear in a calendar event after you send the meeting request.

The Teams add-in is not available in some situations if you or your employees migrated from Skype for Business to Teams. The Teams add-in is not available in the mobile app when using Teams in island founder mode, which allows Skype and Teams clients.

In the Outlook for Windows desktop app

• If Outlook is downloaded from the Microsoft Store, the Teams add-in will not appear. If you’re using the Teams Meeting Add-in, download Microsoft Word Click-to-Run.
• It would be better if you use the Teams add-in to schedule your Teams meetings. The add-in will not appear if the primary user trying to make the appointment does not have an Outlook mailbox.
• Users must authenticate to Teams using modern authentication to use the Teams add-in. The add-in won’t be available if your organization doesn’t have modern authentication enabled. However, in order to use the add-on, you must sign in again using multi-factor authentication if modern authentication is enabled and you choose to continue with the dialog box on your PC.

In Outlook for the web

• Enter your Microsoft account to sign in to Outlook for the web at outlook.com. In the settings on the left taskbar, select the “Calendar”option.
• Then, to start a new session, select New Event.
• To schedule a session in Microsoft Teams from Outlook right away, turn on the Teams Meeting option.
• The session attendance information will be displayed in the event after you hold the scheduled meeting.

FAQ

Why can’t I see the Microsoft Teams Meeting add-in for Outlook for Mac?

The Teams meeting icon on the taskbar of a new Outlook event might not be visible to Outlook for Mac users. Solution. This issue is caused because your computer is using outdated software or a volume license of Office 2019 for Mac instead of the Office 365 edition.

How to enable the group meeting icon in Outlook?

On the Outlook Options Bar, select the Add-Ins tab. Select COM Add-ins under Manage, then click Go if the Teams session add-in appears in the list of disabled app add-ins. The Microsoft Teams Session Add-in for Microsoft Office should be checked.

Where is the Teams Add-in DLL located?

AppData\Local\Microsoft\TeamsMeetingAddin\1.0.20339.4\x86\Microsoft. Teams.

How to install an add-in in Outlook?

Select a message from Outlook on the website. Select at the top of the message; Are there any other options. Select at the bottom of the list. Get add-ons. Select the desired add-in on the Add-ins for Outlook page. Choose to add the free update to your inbox.