What does .PBM stand for?

.PBM stands for "image/x-portable-bitmap"

How to abbreviate "image/x-portable-bitmap"?

"image/x-portable-bitmap" can be abbreviated as .PBM

What is the meaning of .PBM abbreviation?

The meaning of .PBM abbreviation is "image/x-portable-bitmap"

What does .PBM mean?

.PBM as abbreviation means "image/x-portable-bitmap"