What is .TB file extension?
Configuration file that contains instructions used by Tabbery to launch a virtual tab on the user's desktop; includes the name of each window, as well as each window's screen coordinates, size, and order; also includes bitmap thumbnails for previewing the file contents.
The TB file also stores files such as word processing documents, spreadsheets, audio, video, and photo files in a compressed format.
NOTE: Tabbery is now Slideband.
You can see a list of software programs here on easyfileopener.org 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.