The files that have .M4B extension is mainly utilized to save audio books that have been downloaded from the Apple’s iTunes store. The .M4B file format is copy protected by using the "FairPlay" DRM technology by Apple.
OGG files refer both to audio and multimedia container files. This means, that they may include compressed audio, video or text data (for example: subtitle) and metadata. This fact went out of date in the year 2007. Since that time, the Xiph.
After converting the file to the new format, you will be able to use other programs to support it. Keep in mind, however, that the M4B file after converting to OGG may differ slightly from the original. The most important information should be kept, but if you want the file after conversion from M4B to OGG to be the same, you have to do this carefully and choose the proper application from the list below.
There is no guarantee, of course, that the conversion will come up to all your expectations, but it will certainly help you. If, after all, the effect of converting M4B to OGG does not meet your expectations, you can simply try to find on the Internet a different version of your file in M4B format, properly converted to a OGG file by someone else. If this fails, use the information provided in the further part of the website.
If after converting the file M4B the desired result was not achieved, you can try to change the format of M4B file to other than OGG. On our website you will find more information on the following conversion options
Unfortunately, if after performing the two previously described steps (trying to find your M4B file converted by someone else, and the attempt to convert it to OGG on your own) you still have a problem with your file, then there are only a few solutions left. You can once again try to find and install an application that can open the M4B file in its original format (without conversion to OGG file). Such a solution will be difficult to implement, but it certainly will give the best result.