HxOutlook.exe – What is it, Uses, Errors & How to Fix it

A Microsoft Windows OS affiliated program HxOutlook.exe is a 32-bit executable application available across all versions of Microsoft Windows. Thus HxOutlook.exe is not a virus and safe for computer. In this post, I am going to provide detail information about uses, common error and how to fix it, read on!

What is it?

It is a legitimate program that serves as a component for Microsoft Outlook, which is an email application with journaling, calendar, task managing, cyber browsing, contact managing, and note-making functionalities. Usually, HxOutlook.exe comes with Office 2016.

File size & location

The file size of HxOutlook.exe could be between 2.02 MB to 4.9 MB in different Windows versions.

It is located in the Program files section in drive “C” of the Windows system by default. The abridged location of the same is C:\Program Files\WindowsApps\ in Windows 10 and C:\Program Files\ directory Windows 7 and earlier version.

Is it malware?

No, HxOutlook.exe is a safe system process. But, there is a possibility that it could be malware since some virus/ trojan programs do steal parts or the entire name of the legitimate application in order to go undetected in the system by anti-malware software.

However, if the HxOutlook.exe is not located in the Windows Apps path under program files of C drive, then it is probably a malware.

Fix Error Code 0x800cccdd

Outlook Error “0x80004005: The Operation Failed”

How to fix the malware?

If you are confirmed that the HxOutlook is not located under its default location and using high CPU then below ways can be used to fix it:

  1. Run a powerful anti-malware software that will scan for the malware and delete it.
  2. Delete HxOutlook.exe from the system using the Search option and then reset your browser settings.

If you system is infected, then you might have to re-install the Outlook.

Should I delete HxOutlook.exe?

No. It comes pre-installed in the Windows operating system so there is no need for you to delete this unless you don’t want to ever use it or it is not the authentic version and is infected.

Common Errors and How to Fix It?

An error message referencing HxOutlook.exe usually comes up in the system at times. Some of these commonly found errors with the application are:

  • HxOutlook.exe is not a valid Win32 application.
  • Faulting application path
  • exe – Application Error. The application failed to initialize properly (0xXXXXXXXX). Click OK to terminate the application.
  • exe has encountered a problem and needs to close. We are sorry for the inconvenience.
  • exe- Application Error. The instruction at “0xXXXXXXXX” referenced memory at “0xXXXXXXXX”. The memory could not be “read/written”. Click on OK to terminate the program.
  • Microsoft Outlook has stopped working.

There are few ways to fix HxOutlook.exe errors which are as follows:

1) Running a system file checker

2) Reinstalling Outlook Express

3) If 2nd point does not work then reinstalling MS Office will fix this issue.

4) Make the mail app default



Founder and Writer @ WinOSBite. Future plan is to make this platform open to community to resolve and discuss various issues, usage related to Operating System.

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