A daily updated filename extension database!

255 file extension

The table below provides useful information about the .255 file extension. It answers questions such as:

  • What is the .255 file?
  • What program do I need to open a .255 file?
  • How can the .255 file be opened, edited or printed?
  • How can I convert .255 files to another format?

Table of Contents

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ ThumbsPlus Data

ThumbsPlus Data .255 file icon
The 255 file is a ThumbsPlus Data. ThumbsPlus is a digital image browser, thumbnail-creator and editor.
255 format description not yet available
Category: Data files
Application: ThumbsPlus
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
255 aliases:
255 related links:
255 related extensions:
ThumbsPlus Template

ThumbsPlus Plugin

ThumbsPlus Graphics Database

ThumbsPlus v8 Thumbnail Database

ThumbsPlus v10 Batch Script

ThumbsPlus v7 Batch Script

ThumbsPlus Metadata

ThumbsPlus Print Scheme

ThumbsPlus Plugin

ThumbsPlus JET Database

Other types of files may also use the .255 file extension.

🔴 Can't open a .255 file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .255 file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .255 file extension, write to us!

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