If Outlook refuses to open due to this DLL, you may need to reset the profile: Control Panel Show Profiles
Users typically encounter this file when it fails to load, causing Outlook to crash or refuse to open. Common error messages include:
"Cannot open your default e-mail folders. An unexpected error has occurred. MAPI was unable to load the information service KOFMSP.DLL. Be sure the service is correctly installed and configured." kofmsp.dll
Click , confirm the action, and then open Outlook to trigger a clean server resynchronization.
Are you seeing this error when , or does it happen randomly while you're using Windows? If Outlook refuses to open due to this
You or another user may have manually deleted the file or the folder containing it.
Several root causes can disrupt the execution of this MAPI provider: Reinstalling Kerio Outlook Connector - KerioConnect - GFI MAPI was unable to load the information service KOFMSP
The file size typically ranges from , depending on the Kofax version (e.g., Kofax Capture 10.x, 11.x, or Kofax TotalAgility). The legitimate version is digitally signed by Kofax, Inc. or Kofax (now part of Tungsten Automation) .
If the error persists, the MAPI (Messaging Application Programming Interface) subsystem in Outlook might be corrupted. Open the > Programs and Features . Find Microsoft Office (or Microsoft 365). Right-click and select Change or Repair .