FileInfo.com - The File Extensions Resource

.8BF File Extension

File Type 1	Photoshop Filter Plug-in (Most common)
File Format	File
Common?	No
File Description	Adds extra functionality, such as new image filters, to Photoshop and compatible programs; should be installed in the "Plugins" subfolder inside the Photoshop directory. Photoshop plug-ins may also have an .8BI extension.
Program(s) that open 8bf files	Mac: Adobe Photoshop; Adobe Photoshop Elements for Mac; Adobe Illustrator; Adobe ImageReady Windows: Adobe Photoshop; Adobe Photoshop Elements; Adobe Illustrator; Adobe ImageReady

File Type 2	Filter Factory Image Filter
File Format	File
Common?	No
File Description	Contains plugins that may be used by Photoshop or Paint Shop Pro; adds filters to the program that can modify and transform images.
Program(s) that open 8bf files	Mac: Adobe Photoshop or PhotoDeluxe Windows: Corel Paint Shop Pro; Adobe Photoshop or PhotoDeluxe

Information from FileInfo.com - The File Extensions Resource.
http://www.fileinfo.com/extension/8bf