FictionBook supports various file extensions. It allows you to perform various actions with files, e.g. open, edit or convert a file in a given format. Below is a list of file extensions that FictionBook supports. FictionBook is designed to work with the above file extensions, so if you want to work with them you should consider installing it on your system.
Files that work with FictionBook. Remember that it is not a rule that you will be able to edit all the files mentioned with the help of FictionBook. It can only be a configuration file, not editable. Go to the file extension to learn more about it.
The most secure solution - the website of the creator of FictionBook. There may be times when you do not find the installation files there. You will surely find information about the place where you can safely download them. If you use an untrusted source, you may become infected with a virus.
Go to FictionBook developer website
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