What is offlb.exe?

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 offlb.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.

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Offlb.exe file information

Windows Task Manager with offlb
Offlb.exe process in Windows Task Manager

The process known as Microsoft Office Program Recovery belongs to software Microsoft Office Program Recovery or Microsoft Office Professional by Microsoft (

Description: Offlb.exe is not essential for Windows and will often cause problems. Offlb.exe is located in a subfolder of "C:\Program Files\Common Files". Known file sizes on Windows 10/8/7/XP are 552,832 bytes (50% of all occurrences), 556,424 bytes, 553,792 bytes or 552,816 bytes. 
The program has no visible window. The offlb.exe file is certified by a trustworthy company. The file is not a Windows core file. Offlb.exe is able to monitor applications. Therefore the technical security rating is 31% dangerous, however you should also read the user reviews.

Uninstalling this variant: The software publisher Microsoft provides direct support ( You could uninstall the program using the Control Panel ⇒ Uninstall a ProgramMicrosoft Office Program Recovery or Microsoft Office Professional.

Recommended: Identify offlb.exe related errors

Important: Some malware camouflages itself as offlb.exe. Therefore, you should check the offlb.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.


User Comments

The Office Lifeboat (OffLB.exe) is what launches when one of the Office apps appears to be hung
It causes more problems than it is supposed to fix and only brings your PC to a grinding halt. Rename the file to stop it from running and get your PC performance back!
My version is always upper case, shows up Escel and renders it unusable. It comes back no matter how many times one kills it.
It just appeared today. Slowed everything to a crawl and stopped outlook. Computer shut it down.

Summary: Average user rating of offlb.exe: based on 4 votes with 4 user comments. One user thinks it's probably harmless. One user thinks it's neither essential nor dangerous. One user suspects danger. One user thinks offlb.exe is dangerous and recommends removing it. One user is not sure about it.

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Best practices for resolving offlb issues

A clean and tidy computer is the key requirement for avoiding problems with offlb. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic 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 resmon 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 DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the offlb.exe process on your computer, the following programs have proven to be helpful: Security 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. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

offlb.exe [all]