Follow these steps to upload documents on TAC:
In the Team section, select the team you want to edit.
Click the Edit team card appearance button.
Scroll down to the Documents section.
Upload the desired file (the maximum file size for uploads is less than 10 MB).
Rename the document if needed.
(Optional) Set an expiration date: after this date the material will be automatically archived.
(Optional) Add a protection code to restrict access if needed.
Once these steps are completed, the document will be available to all users in the team.