What is odserv.exe?

The genuine odserv.exe file is a software component of Microsoft Office Diagnostics Service by Microsoft.
"odserv.exe" is the Microsoft Office Diagnostics Service for Microsoft Office that handles troubleshooting and problem solving for the suite. It checks for a valid installation of Office or for any installation problems with the software. It checks memory, hard drives, and other hardware for issues that could be causing problems with the functionality of Office. It checks to ensure Office is up to date. It checks for conflicting Office applications, such as 2 versions of Outlook with one being older. Lastly, it checks for known solutions to problems and fixes them if available. Microsoft was founded in 1975 and focuses on superior software, devices, and innovative applications for PCs and other electronics. Windows Operating systems are their biggest and most used software programs across the globe, offering flexibility, advanced compatibility, and superior functionality to people and businesses in everyday life.

Odserv stands for Office diagnostics service

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the odserv.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

Click to Run a Free Scan for odserv.exe related errors

Odserv.exe file information

Windows Task Manager with odserv
Odserv.exe process in Windows Task Manager

The process known as Microsoft Office (version 2007 component) or Microsoft Office Diagnostics belongs to software Microsoft Office Diagnostics Service or Microsoft Office Professional by Microsoft (

Description: Odserv.exe is not essential for the Windows OS and causes relatively few problems. Odserv.exe is located in a subfolder of "C:\Program Files\Common Files". Known file sizes on Windows 10/8/7/XP are 440,696 bytes (40% of all occurrences), 441,712 bytes, 437,008 bytes or 443,776 bytes. 
The service can be started or stopped from Services in the Control Panel or by other programs. The software is not active. The program is not visible. The file has a digital signature. The odserv.exe file is not a Windows system file. Therefore the technical security rating is 0% dangerous.

Uninstalling this variant: If you still experience problems with odserv.exe, you can uninstall Microsoft Office Professional software via Windows Control Panel/Add or Remove Programs (Windows XP) or Programs and Features (Windows 10/8/7).

Recommended: Identify odserv.exe related errors

Important: Some malware camouflages itself as odserv.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the odserv.exe process on your 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.


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Best practices for resolving odserv issues

A clean and tidy computer is the key requirement for avoiding problems with odserv. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. 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. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the odserv.exe process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

odserv.exe [all]