Hello joelgoh96,
Thank you for reaching out to the Microsoft Community and I'll be glad to assist you today.
The shortcut tool displayed when you press CTRL + T on your browser is related to the Zoom application, which is used for video calls. This tool is used to download or send images in the Zoom chat.
- Open your Zoom Desktop Application.
- Select your profile picture, and click Settings.
- Select Keyboard Shortcuts.
- In the Keyboard Shortcuts window, find "Team Chat" > Screenshot > Change it to Restore defaults.
The default key combination for taking screenshots in Zoom is Alt+Shift+T
CTRL + T Shortcut opens Screen Capture on Windows - Your Windows Guide
I hope this information helps. If you have any questions, please let me know and I will be happy to help you further.
Best regards,
Gunasekar N