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?

The BLL file extension indicates to your device which app can open the file. However, different programs may use the BLL file type for different types of data.

We are aware of 1 different use of the BLL extension, which you can read more about below.

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.

Update info Upload example file

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!

Software that will open, convert or fix BLL files

These apps are known to open certain types of BLL files. Since many different programs may use BLL files for different purposes, you may need to try a few of the apps to open your specific BLL file.