Work has been done by the team to add support for partial strings. They are continuing to work on improving the experience.
Thank you for your feedback! Contextual search within a specific chat or channel, filter options for messages, files and people are all available in the product today.
To learn more, please visit https://support.microsoft.com/office/search-for-messages-and-more-in-teams-4a351520-33f4-42ab-a5ee-5fc0ab88b263.
Adding email as a left tab panel remains under review. We are working on adding several Teams and email integrations:
- Share to Teams: Share a copy of an email and any attachments into a chat or channel directly from Outlook
- Share to Outlook: Share a copy of a channel or chat conversation via email directly from Teams
- Actionable Teams Activity Emails: Teams missed activity emails display the latest replies and allow you to reply directly from Outlook
See this post for more information:
The team has updated the default sound for Teams notifications so it is more noticeable. We are in final testing, with a goal to release the new sound by the end of this quarter.