Apple does not provide an easy way to remove your epub files from the iBooks app, but it is possible. To convert from iBooks, you will first need to use a C...

To convert a Kindle file, you need the .mobi or .azw file that the Kindle file contains. To do this, please go to your Amazon Account and select Manage Cont...

PDF is a read-only format that is not meant to be edited. A lot of times the PDF files are too complex to be properly converted to another format. Our conve...

Where the file is would depend on how exactly you got the file, I would recommend googling how to access individual ebook files based on how you got them su...