>> THUMB file

THUMB file format description

Many people share .thumb files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .thumb file can be edited, converted or printed with. On this page, we try to provide assistance for handling .thumb files.

1 filename extension(s) found in our database.

.thumb - jAlbum Thumbnail

The THUMB graphic files are related to JAlbum. THUMB file is a jAlbum Thumbnail. jAlbum is a PC desktop application to create and manage image galleries to be displayed in Web pages.

Graphic files
- / -
jAlbum Thumbnail related extensions:
jAlbum Settings
jAlbum Skin

Naturally, other applications may also use the .thumb file extension. Even harmful programs can create .thumb files. Be especially cautious with .thumb files coming from an unknown source!

Can't open a .thumb 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 can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .thumb file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:


Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

If you find the information on this page useful, please feel free to link to this page.


If you have useful information about the .thumb file format, then write to us!

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