This is not a valid bitmap file, or its format is not currently supported. However, the same files can be opened using apps like GIMP, Photoshop, Paint 3D, IrfanView, Paint.net, etc.

Apart from hiding files inside BMP image files, converting files for allowing them to be sent as email attachments, BMP Wrap is also used to encrypt files.

Generally speaking that means you’ll be working with bitmap files, but as you might expect when pushing a decades-old file format into an application it was never intended for, things can get a ...

The files were usually GIF files, though occasionally a PNG file would appear. A few months ago this procedure resulted in files being saved in the BMP format. What is happening?

BMP files are saved from bottom to top, we need to invert the image for our purposes. Do this by clicking the Image menu, go to Transform, and select “Flip Vertically”.