Not being able to send messageson Microsoft Teams can be downright frustrating.
But all of a sudden, Teams decided to sabotage you.
Check theOffice365 health statusto see if theres any note about possible Teams messaging issues.
Most likely, they set up strict permission parameters that are blocking messages from external users.
check that they added you to the respective chat or channel.
Then ask them to grant you permission to use the chat and send messages to the other chat participants.
Check Your Connection
Check your internet connection and ensure everythings working as intended.
Renew Your IP Address
On Windows 10
Launch Command Prompt and enter theipconfig /renewcommand.
This will help you to refresh your IP address.
verify if it’s possible for you to send messages via the web app.
The chat creator can then leave the chat.
Close Background Programs
Other programs running on your machine might interfere with Teams.
Close all the programs that you dont need.
Close all the processes related to MS Teams and then restart the app.
Update Teams and Your OS
double-check your Teams App is updated.
Launch Teams, tap on your profile picture, and selectCheck for updates.
To upgrade your Windows 10 version, go toSettingsUpdate & SecurityWindows UpdateCheck for updates.
To get the latest macOS version, press the Apple menu System PreferencesSoftware Update.
Thats why you gotta close Teams and thenclear your cacheby following the steps below.
Let us know if the issue is gone.
