What is .WBA file extension?
Custom skin or theme created with WindowBlinds, a program used for customizing the interface of the Windows operating system; can alter the look of window borders, title bars, task bars, progress animations, toolbar icons, the Start menu, and other aspects of Windows.
WBA files are basically compressed .ZIP files that are unzipped when opened with WindowBlinds. They can also be decompressed using another Unzip program like WinAce or WinZip if the file extension is changed from ".wba" to ".zip."
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.