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.PSB File Extension

File Type 1Photoshop Large Document Format

DeveloperAdobe Systems
3.6 (30 Votes)
CategoryRaster Image Files


This file is saved in a binary format, which requires a specific program to read its contents.

What is a PSB file?

Format used for saving large Photoshop documents over 30,000 by 30,000 pixels in size; supports images up to 300,000 by 300,000 pixels; to enable .psb support, check the "Enable Large Document Format" within the File Handling pane of the Photoshop Preferences window

Open and view .PSB files with File Viewer Plus.
Programs that open PSB files
Updated 10/23/2018

File Type 2PowerDivX Subtitles File

3.4 (9 Votes)
CategoryVideo Files


This file is saved in a plain text format. You can open and view the contents of this file using a text editor.

.PSB File Association 2

Movie subtitles file created for use with PowerDivX, an older multimedia player; saves subtitles in a simple text format, specifying the start and stop time of each subtitle; for example:

More Information

{0:01:21}{0:01:51}My Movie Subtitle 1.
{0:01:21}{0:01:51}My Movie Subtitle 1.

The PSB format is still supported by VLC media player.

Programs that open PSB files
Updated 8/16/2012

About PSB Files

Our goal is to help you understand what a file with a *.psb suffix is and how to open it.

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