File with an .ALB extension contains a library with a ADB database files dictionary, including information on its settings, utilised scripts and user’s functions – their indicators, import definitions, menu, toolbars and bitmaps.

Alpha Five (Alpha Anywhere since the year 2013) is a software utilising the ALB libraries which is used to create Internet applications. ALB files are a part of developer’s database which can be used repeatedly in other created applications. More libraries can be added to the database using program’s menu.