Microsoft Office 365 aahmsvc.exe Microsoft Corporation. Microsoft Windows service associated with Office 365 online subscriptions. It gives subscribers streaming and virtualization capability for Office applications that is based on App-V technology, with a key difference. Executable files may, in some cases, harm your computer.

Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application. Windows and will often cause problems. It is not a Windows system file. The program has no visible window. The file is certified by a trustworthy company. PC to see if it is a threat.

We recommend Security Task Manager for verifying your computer’s security. This was one of the Top Download Picks of The Washington Post and PC World. It run in the background, using up 100MB of data everytime it runs. Appeared after installation of MS Office 365. I disabled the service and excel gave an error. When I enabled it again, excel loaded.

So, I guess at least for office 365, it appears to be required. Think you need it to run office programs like word and excel. It was using all my data bandwidth, I use Open Office so I’m removing it. 4 users think it’s neither essential nor dangerous. Always remember to perform periodic backups, or at least to set restore points. Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time.