The file extension 8BYM marks plugins for the Mac version of the image editing software Adobe Photoshop. With these plugins additional functions, such as new effects or the support of other graphic formats in Photoshop nachrsten. Adobe Photoshop uses various 8b endings for different plugin types. 8BYM files are parser plugins.
8BYM files come in the plugin folder (plugins) located inside the main Photoshop folder. It should be noted that not all plugins are compatible with all versions of Photoshop, and when using the PowerPC version, a customized version of the plugin is also required.
In addition, one must select the plugins for its platform, since those for Mac OSX Photoshop do not work with the Windows version of Photoshop. However, the plugins for the Windows version always have the official extension 8by.
The file extension 8BYM refers to parser plug-ins, which are responsible for the processing of text-based documents such as PostScript ps or eps.
To see if a plugin is installed correctly, you can get a list of all installed plugins in the submenu Plugins (Windows: Help, Mac OSX: Photoshop). In addition to Adobe Photoshop, Adobe Photoshop Elements has a plugin interface for 8by files.