*.mpp file extension

I have just received a couple of files in my email with .mpp extensions. I can't open them - can anyone tell me what they are?

I seem to recall a posting that recommended a website that gave details of hundreds of extensions, but can't find it now. Can anyone help?

Thanks

  hugh-265156 17:27 07 Jan 04
  beeuuem 17:29 07 Jan 04

This click here lists file types.

It says these could be:

MPP BX-24 Basic Express Compiler Map

MPP CAD Drawing File

MPP Project File (Microsoft)

MPP Zortech 3 README File

Thanks for replying so quickly - just what I was looking for!

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