hxcalendarappimm.exe is a application which is most likely legit. So, if hxcalendarappimm.exe is on your computer, it is most likely ok, and will NOT cause problems. Even if your PC is virus-free, it is still recommended to use a good antivirus with a good detection rate, in order to yourself your system against threats.
This application is usually found in C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7812.42257.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe.
The MD5 checksum for this file is cdcd6884b33ad3cb7508c5804712c516.
This program is NOT registered as a Windows service. This is good.
This executable uses the Internet to communicate. In this day and age this is quite normal. For example, most of the programs on your computer check for new updates. For this, Internet communications are necessary.
64-bit code has been detected. This program can use the full power of a modern computer cpu.
The description stored in the file is Microsoft Outlook Calendar.
File version 16.0.7812.4225.
Maker Microsoft Corporation.
hxcalendarappimm.exe appears to have a visible user interface. This is good because it doesn't operate in some kind of invisible mode. Its operation is clearly displayed to you.
The digital certificate is missing from this program. The maker did not sign it. This is usually bad.
This executable does NOT have a removal routine stored in registry.