Seclore adds best-in-class Encryption and Rights Management to Microsoft Teams. Users can access protected documents from Microsoft Teams directly to their desktop applications such as Word, Excel, PowerPoint, etc., and then make edits and save back the document. This seamless user experience allows users to add security to sensitive documents without impacting productivity or collaboration. Features include:Automatic data protection of sensitive documents when uploaded to a Microsoft Teams channel, even after it’s been downloaded or shared.
Source: https://www.helpnetsecurity.com/2021/02/01/seclore-microsoft-teams/