File Extension Library

.THMB File Extension

  • Category: Bitmap image Files

What are .THMB files and how to open them?

Can't open .THMB file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .THMB file.

What is a .THMB file extension?

.THMB file extension has been classified as Bitmap image Files.

.THMB is Thumbnail data

The thmb file extension is reported to be used for some sort of thumbnail files. Might have been used in some older programs especially on Mac platform. Also could be a typo for the ITHMB file.

.THMB file format is deprecated and this file format is no longer supported.

Currently, .THMB file type is not actively used and is obsolete. This usually happens with system files in older operating systems, files from long-discontinued software, or with previous versions of some file types (documents, projects, images, etc.) that were replaced in later versions of the original programs.

How to open:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert:

As far as we know, this .thmb file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

How to fix problems with .THMB files

  1. You need to update the application that you normally use to open .THMB files. Only the latest version of the software supports the current .THMB file format
  2. You need to check the .THMB file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)