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How to open .THUMB file extension?

File Type : JAlbum Thumbnail Image (
Compatible with (WinXP,Vista,Win7,Win8 and Win10)

Looking for a program to open .THUMB files?

"Windows unable to open a file!" is probably the most common error faced by millions every day. This is either because the program required to open a file is not available on your system or there may be other issues.

We recommend that you run a free scan to check for missing drivers.



What is .THUMB file extension?

.THUMB file extension is a known file type. This section of tells you everything you need to know about this extension.
Small thumbnail image generated by JAlbum, a free photo gallery software program; created from the full size image and represents the original image in an album; allows many photos to be browsed at one time.
You can see a list of software programs here on that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.

Software that can be used to open .THUMB files:

Microsoft Windows:
  • JAlbum
  • JAlbum
Apple Mac OS X:
  • JAlbum