Less known command line args of MSOHTMED.EXE

January 20, 2020 in Undocumented Windows Internals

Update

After I posted it @0gtweet provided a feedback which I used to update the post. Thanks!

Old Post

This is just a blurb about a MSOHTMED cmd line arg I have not seen documented previously. Not sure if it can be used for anything special, but documenting it for the sake of it anyway.

MSOHTMED.EXE /oN <file>

will open <file> with a following program chosen depending on a value of N:

  • 0 – Word
  • 1 – Excel
  • 2 – PowerPoint
  • 3 – Access
  • 4 – Sharepoint Designer
  • 5 – Publisher
  • 6 – Project
  • 7 – Visio
  • 8 – OneNote
  • 9 – ForeFront (not confirmed!)

If a target app is not installed, the file will be opened by Word.

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