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I have the following .bmp file called mapa.bmp

enter image description here

As you can see, from the embedded picture, my background is fully transparent.
I made sure to check and my Image->Mode is set to RGB as well.

enter image description here

and I saved it using the default options:

enter image description here

All seems fine and dandy, right?

However, if I use the picture anywhere, or even re-open it with photoshop, the transparent background is lost and opened with white background.

enter image description here

Saving the file as .png works fine, but sadly I need to use .bmp, .ico or .jpg format

Any idea what could be the cause?

Samuel Hulla
  • 143

1 Answers1

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As pointed out in the duplicate question, while .bmp supports transparency - technically - it is not entirely recommended to.

In case you can't use .png (like I couldn't), it's best to use .jpeg 2000 or .gif format as a substitute

Samuel Hulla
  • 143