ONMAIN.dll: download the file and fix the error

32-bit (x86) Microsoft Office OneNote Scanned by antivirus

ONMAIN.dll is a file of the software Microsoft Office OneNote (“Microsoft Office OneNote Main”), published by Microsoft Corporation. Version offered here: 11.0.5601, 32-bit.

If this file is missing or damaged, the program that uses it does not start and Windows displays an error message. Two methods can fix the error, below.

Method 1 · quick · about 1 minute

Download only ONMAIN.dll

Ideal if only this file is reported missing: you replace a single file, without reinstalling anything.

⇓ Download ONMAIN.dll .zip file: the DLL + its instructions · downloaded 2,493 times

Version: 11.0.5601
Architecture: 32-bit (x86)
Size: 3.05 MB
Publisher: Microsoft Corporation

Then:

Extract ONMAIN.dll from the zip file and copy it to the folder of the program showing the error (where its .exe file is).
Still getting the error? Copy it to C:\Windows\SysWOW64 (64-bit Windows) or C:\Windows\System32 (32-bit Windows), then restart.

SHA-256: 1ba77370e50f40fd9eb8be09c6126e02fd2dad7453c5ede78147afdca63687de · Check on VirusTotal · Product: Microsoft Office OneNote

Method 2 ·complete · depends on the program

Reinstall the program that shows the error

The program normally provides ONMAIN.dll itself, in the exact version it expects. Recommended if several files are missing or if the error comes back.

Settings › Apps › Installed apps: uninstall the program or game concerned.
Reinstall it from its original setup program, then restart your computer.

Error messages related to ONMAIN.dll

The program can't start because ONMAIN.dll is missing.
Error loading ONMAIN.dll. The specified module could not be found.
Failed to load ONMAIN.dll

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