>I purchased SnagIt a few months ago and I have done some screen captures.
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>Now I am learning how to do video captures. Basically I want to create some small (no more than 10 min) training videos of some features of my app. The first thing that I noticed is that SnagIt creates the video in .MP4 format (Because when I hover over the date-file created in some temp folder the extension is .mp4). If I then, later, send such an .mp4 file to a customer, how easy or difficult will it be for a Windows user to view this? Should I change (if it is possible) the format that SnagIt uses when creating video captures?

Tore has provided a good reference.

We used to use Camtasia a few years ago to make our videos here. Claudio Lassala used it for a tons of videos and it did a good job. Not sure where that software is today however. But, you might want to give it a try.