File Extension | OPF |
Full Name | Open Packaging Format |
File with an .OPF extension contains metadata of an electronic publication, such as: author, title, language, book’s ID, display method or read order. It is a part of the EPUB archive stored in compliance with the Open Packaging Format, in a format based on XML.
File Extension | 9XY |
Full Name |
File format conversion is the process of transforming a file from one format (referred to as "OPF") to another (referred to as "9XY"). This may be necessary for various reasons. For example, OPF file may be incompatible with the software or device we want to use to open or edit it. In such cases, converting the file from format OPF to format 9XY becomes essential.
So, how can we perform OPF to 9XY file conversion? Fortunately, there are many tools and computer programs available that enable file format conversion. These tools work by reading the data from the file in format OPF and transforming it into format 9XY. This allows the preservation of the original information contained in the file, even after changing its format. Below you will find a list of OPF to 9XY converters.
If you have already downloaded one of the converters and installed it on your computer, you can proceed to the appropriate conversion process of OPF to 9XY. Handling all the programs is usually very intuitive and is based on the same pattern of conduct. We will briefly discuss a few steps that you always need to go through while changing the format of the OPF file:
File extensions are not normally displayed to users. To change this, go to Control Panel, select Appearance and Personalization and Folder Options. Next, select the View and find the option "Hide extensions for known file types". The option should be deselected (cleared) and confirmed with OK.