Microsoft Teams give me weird Squares when i try to add a new file

Hi i’m a new user GNU/Linux

I have a problem with Microsoft Teams. When i try add a new file in a Assigment i can’t choose a correct file because instead text i have a squares

Sounds like the fonts are not working correctly.
How did you install teams? (AUR, Snap, Flatpak)

I install Teams by a Snap