What is the startup program "Microsoft Teams - teams.exe" on my Windows 7 computer?

"Microsoft Teams - teams.exe" is installed as part of the Microsoft Teams client application to access the Microsoft Teams cloud service.

You will see the "teams.exe" listed on the Startup tab of msconfig.exe screen as:

Startup item: Microsoft Teams (or CUCore Agent)
Manufacture: Microsoft
Command: "C:\Users\{userid}\AppData\Local\Microsoft\Teams\update.exe 
   --processStart "teams.exe" --process-start-args "--system-initiated" 
Location: HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run 

Program file information about "Teams.exe":

File name: Teams.exe
File path: C:\Users\{userid}\AppData\Local\Microsoft\Teams\current
File size: 67,912,560 bytes
Last modified time: Tuesday, ‎March ‎12, ‎2019, ‏‎10:50:43 AM
File description: Microsoft Teams
File version: 1.2.2.4664
Company name: Microsoft

It is recommended to disable "Microsoft Teams - teams.exe" startup program. You can run it whenever needed.

⇒ "BlueJeans.Detector - BlueJeans.Detector.exe" Startup Program

⇐ "Desktop Client - ConfAgent.exe" Startup Program

⇑ Application Startup Programs on Windows 7

⇑⇑ Windows 7 Startup Programs