Greetings, Wim! My name is Arif, and I have been a long-time Microsoft user as well as an Independent Advisor. I'm sorry you're having this problem, and I hope I may be of assistance in finding a workable solution.
Please take the following actions:
Create and manage tags in Teams
- Select Teams Teams button on the left side of the app and find your team in the list. Then select More options More options button and choose Manage tags manage tags icon.
- @mention a tag in a channel
In a channel conversation, simply @mention a tag in your message and select the tag from the list. The tag will appear just like any @mention, and the people associated with the tag will get notified.
- Using tags in a chat
To start a chat with the members of a tag, select New chat New chat icon in Teams, start typing the name of the tag, and then select the tag from the list. Everyone in the tag group will be added to the To: field.
- Manage settings for team owners
Team owners can choose which members of their team are allowed to add tags. Select Teams Teams button on the left side of the app and find your team in the list.
- Go to More options More options button, select Manage team Settings button, choose the Settings tab, and then navigate to the Tags section. Here you can control whether team members or team owners can manage tags.
- Here, you can create tags and assign them to people on your team.
For more information kindly check the below video Link:
Note: This is a non-Microsoft website. The page appears to be providing accurate, safe information. Watch out for ads on the site that may advertise products frequently classified as a PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the site before you decide to download and install it.
Link: https://www.bing.com/videos/search?q=&view=...
If the steps outlined above work for you, kindly let me know. If not, please feel free to respond to my chat.
Warm Regards,
Arif