How to save a Windows Bitmap image in 16 colours uncompressed?

Note: All important settings are highlighted with a red ellipse.

Paint

This information relates to Paint shipped in every Windows version.

Save dialog in Microsoft Paint

Note: Microsoft Paint automatically produces uncompressed files.

Corel Photo-Paint 8.0

First reduce the image to palette format:

Colour reduction dialog

In the Save as... dialog, use Uncompressed:

Save dialog in Photo-Paint