You're computer is regonising a file as an "Unknown File" only because it has no understanding of that file extention. Right click the file and select "Properties", find the extention name (Eg, .exe) and search for software that will read that extention name. If you're having further problems consult someone on a Technical Help Forum.
A BAA file is a file that is unknown or has an unassigned file extension. There are not many software programs that will allow you to open such a file.
try another softwre to open it such as magic disc what ever or yours window will be currupted
To delete an unknown file format in Microsoft Photo Editor, first, open the program and navigate to the location of the file you want to remove. If the file is visible in the workspace, select it and press the "Delete" key on your keyboard. If the file format is not supported and you cannot open it, simply locate the file in your file explorer, right-click on it, and choose "Delete" to remove it from your system.
Usually when you open a file or email attachment. Never open a file or email attachment that is unfamiliar to you or if the sender is unknown to you. Also, be sure you have an updated and reliable anti-virus application running on your computer.
The unknown compression method used in this file is not specified or identified.
When you have an unknown file, always check the extension at filext.com BNK is most likely a Bink Video/Audio file, and you can open that with the program that created it. In this case, it is most likely a video file to a game or program in the computer, and you won't be able to easily open and play that with stand-alone software. You can check here to see if it has what you need: http://www.radgametools.com/bnkdown.htm
How to open a dxl file?
How to open a dxl file?
how open bfa file
Start the software. Usually there is an open button or a file menu. If there is no open button, go to file. Click open.
Open Alice, the program. From there, open it and open an a2w file.
Quicken for Mac to open the file.