With security as a value that we care about more and more about in our communications, Microsoft is now reinforcing this section in an application such as Teams. A tool that has gained great importance with the growth of teleworking and distance learning.
Microsoft has decided to add end-to-end encryption support to Microsoft Teams, an improvement that, yes, will not be immediate, since it will not reach the platform until the end of this year after a first phase in which it will be accessible through the test program.
Safer meetings and calls with Microsoft Teams
End-to-end encryption will be available in the first half of this year for business customers. More security in unscheduled, one-to-one Teams calls.

An improvement that Microsoft intends to extend later to group meetings and scheduled calls and seeks to strengthen security in conversations where personal data may be at stake.
Currently, Microsoft Teams does not support end-to-end encryption and for now, data is encrypted in transit and at rest, at which point these files have the protection offered by SharePoint encryption, while stored notes use OneNote encryption.
Microsoft is following in the footsteps of Zoom, the other major rival application that began implementing end-to-end encryption in late 2020.