How to open BLL files

Did your computer fail to open a BLL file? We explain what BLL files are and recommend software that we know can open or convert your files.

What is a BLL file?

BLL files are Borland Language Library files, which you can read more about below.

The BLL file extension indicates to your device which app can open the file. However, different apps may use the same file extension for different types of data. So a BLL opener may not be able to open all kinds of BLL files. In this case, though, we only know of one specific use.

Borland Language Library

Through our analysis of BLL files, we know that one use of the format is Borland Language Library. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

We have not verified any programs yet that works with this specific format. If you know any, please use the 'Suggest a program' link below. Thanks!

BLL file openers, viewers, etc.

These apps are known to open certain types of BLL files. Remember, different programs may use BLL files for different purposes, so you may need to try out a few of them to be able to open your specific file.

BILLBILLUser submitted
We have not verified any programs that we know for certain can work with BLL-files on Mac. If you know one, please use the Suggest link below and tell us about it!
We have not verified any online services that we know for certain can work with BLL-files. If you know one, please use the Suggest link below and tell us about it!