hxtsr.exe is a application which is most likely legit. So, if hxtsr.exe is on your PC, it is most likely ok, and will NOT cause problems. Even if your system is virus-free, it is still recommended to use a good antivirus with a good detection rate, in order to yourself your system against potential security problems.
This application is normally found on disk in C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.8004.42017.0_x64__8wekyb3d8bbwe\HxTsr.exe.
The MD5 fingerprint for this program is 43e61ca000322aed6a3f9b379e22032e.
This application does NOT run as a Windows service. This is normally a good sign.
64-bit code has been detected. This program can put to good use the full power of a current computer processor.
The description stored in the file is Microsoft Outlook Communications.
File version stored as a property 16.0.8004.4201.
Author Microsoft Corporation.
The digital signature is missing from this program. The authors did not sign it. This is usually bad.
It has an uninstall string in registry, which is good. si are uninstall.