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OPF File Extension

OPF file extension is created by IDPF, also known as Open Packaging Format File. OPF has been classified as eBook Files. This file is saved in an XML format. You can view the XML structure and contents of the file in a text editor<\/a>. You can open OPF files in Adobe Digital Editions program.



Open Packaging Format File Type

Open Packaging Format File Type
Extension .opf
Developer IDPF
Popularity 5.0 (1 Votes)
Mime Type application/oebps-package+xml
Default Program Adobe Digital Editions
Category eBook Files
Format XML
Updated 12/1/2024

What is a OPF File Type?

All OPF files are saved in XML format. The Open Packaging Format also requires a second .NCX XML file that stores the table of contents for the EPUB eBook.



Free online OPF Tools & Apps

We have also the free online .OPF (Open Packaging Format File) file extension apps that can allow to view, edit, convert from to OPF, merge, split and compare the OPF files without installing anything on your system. Please click on the links to explore the complete list of details for each required feature.



OPF Files Common Issues

There are few common issues with the Open Packaging Format File .OPF=9798 File Extensions while opening the .OPF=9798 files on Windows and MacOs, we have solution to those issues such as:

Can't Open OPF Files?

  1. You must have supported software programs installed for Open Packaging Format File on your system such as Adobe Digital Editions.
  2. Associate default Adobe Adobe Digital Editions program for *.opf (Open Packaging Format File) files.

    Associate OPF Default Program on Windows
    1. Right-click a *.OPF (e.g example.opf) file and click Open With.
    2. In the Open with dialog box, click Adobe Adobe Digital Editions program Or click Browse to locate the program (*.exe) that you want.
    3. Select check box for Always use this app to open .opf files.

    Associate OPF Default Program on MacOs
    1. Click *.OPF (e.g example.opf) file and click information -> Open With.
    2. In the programs list, click Adobe Adobe Digital Editions program Or other appropriate program that you want.
    3. Confirm Change for all... and Contine.
    4. A message will appear "This change will be applied to all files with .Adobe Digital Editions extension. By clicking Continue you confirm your selection", click Contine to apply changes.


All Platform Software Programs for OPF File Extension

List of all softwares that can open the OPF files on each platforms such as Windows, Mac, iOS, Linux, Web and Android, you may click the each software link for more details for other supported formats for each software and the verified direct download links for each software with complete lisensing details.

Microsoft Windows logo image Open OPF File on Windows

Software License Developer
Cadence OrCAD PCB Designer image. Cadence OrCAD PCB Designer 000 for Windows Free Trial Cadence OrCAD PCB Designer
Calibre image. Calibre 3 for Windows Open Source Calibre
Adobe Digital Editions image. Adobe Digital Editions 4 for Windows Freeware Adobe
Geometer Plus FBReader image. Geometer Plus FBReader 0.12 for Windows Freeware Geometer Plus
KDE Okular image. KDE Okular .19 for Windows Open Source KDE
Kofax OmniPage image. Kofax OmniPage ULTIMATE 19 for Windows Commercial Kofax

MacOs logo image - FileProInfo.comOpen OPF File on Mac OS

Software License Developer
Calibre image. Calibre 3 for MacOs Open Source Calibre
Adobe Digital Editions image. Adobe Digital Editions 4 for MacOs Freeware Adobe
Geometer Plus FBReader image. Geometer Plus FBReader 0.12 for MacOs Freeware Geometer Plus
KDE Okular image. KDE Okular .19 for MacOs Open Source KDE

Linux logo image - FileProInfo.comOpen OPF file on Linux

Software License Developer
Calibre image. Calibre 3 for Linux Open Source Calibre
Geometer Plus FBReader image. Geometer Plus FBReader 0.12 for Linux Freeware Geometer Plus
KDE Okular image. KDE Okular .19 for Linux Open Source KDE

Website logo image - FileProInfo.comOpen OPF file on Web

Software License Developer

iOS logo image - FileProInfo.comOpen OPF file on iOS

Software License Developer
Adobe Digital Editions image. Adobe Digital Editions 4 for iOS Freeware Adobe
Geometer Plus FBReader image. Geometer Plus FBReader 0.12 for iOS Freeware Geometer Plus

Android logo image - FileProInfo.comOpen OPF file on Android

Software License Developer
Adobe Digital Editions image. Adobe Digital Editions 4 for Android Freeware Adobe
Geometer Plus FBReader image. Geometer Plus FBReader 0.12 for Android Freeware Geometer Plus

About Licensing

  1. Free Trial This software are often used for an attempt period, like 14 days, before requiring payment. Some trial versions have a reduced feature set.
  2. Free This software is liberal to use. Examples include open-source , freeware software, like free programs supported by advertising.
  3. Free+ This software is liberal to download and use, but contains in-app purchases (IAP) to unlock additional content or functionality.
  4. Paid This software must be purchased so as to use it. it's going to be offered as a perpetual license or ongoing subscription.
  5. Included with OS This software is bundled with an OS , like Windows, macOS, or Android.

OPF file extension icon image.About OPF - Open Packaging Format File

FileProInfo is to help you understand about the Open Packaging Format File with *.OPF suffix, and provide the complete detail as how to open, edit, convert, merge, split and compare it with other related software programs, software download links and free online apps and tools.

Our professional team members at FileProInfo have been individually researched and verified the details for OPF. We want to be 100% accurate and publish the information about file formats, tools, apps and software programs that we have tested and validated.

If you would like to suggest any additions or updates to this page for OPF, please let us know.

Updated 12/1/2024


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