Home : File Types : OPF File (3 File Associations)

.OPF File Extension

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File Type 1FlipViewer FlipBook File

DeveloperE-Book Systems
Popularity
4.0 (7 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryData Files
FormatXML

XML

This file is saved in an XML format. You can view the XML structure and contents of the file in a text editor.

Definition

FlipBook, such as a digital magazine or other publication that can be read with FlipViewer; saved in the OEB Package Format (OPF) which is formatted in XML; includes metadata that describes the content and a list of pages, images, and text referenced by the publication.

More Information

Because OPF files are formatted in XML, they can be created and edited with a basic text editor.

Program(s) that open .OPF files
Microsoft Windows LogoWindows
E-Book Systems FlipViewer
Mac OS X LogoMac OS
E-Book Systems Mac FlipViewer
Updated 12/13/2007

File Type 2Open Packaging Format File

DeveloperIDPF
Popularity
3.4 (9 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryeBook Files
FormatXML

XML

This file is saved in an XML format. You can view the XML structure and contents of the file in a text editor.

Definition

File formatted according to the Open Packaging Format (OPF) standard, which is part of the EPUB eBook specification; stores eBook information such as the title, language, book ID, creator, reading order, and display formatting; used as part of an .EPUB archive to specify eBook metadata.

More Information

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

Program(s) that open .OPF files
Microsoft Windows LogoWindows
Adobe Digital Editions
Adobe InDesign CC
Calibre
KDE Okular
Geometer Plus FBReader
Mac OS X LogoMac OS
Adobe Digital Editions
Adobe InDesign CC
Calibre
KDE Okular
Geometer Plus FBReader
Linux LogoLinux
Calibre
KDE Okular
Geometer Plus FBReader
Updated 5/19/2010

File Type 3FlipAlbum File

DeveloperE-Book Systems
Popularity
2.0 (1 Vote) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryMisc Files
FormatBinary

Binary

This file is saved in a binary format, which requires a specific program to read its contents.

Definition

Digital photo album created by FlipAlbum, a program that organizes images into picture albums; stores the album structure, appearance settings, and references to image files; can be viewed with 3D page-flipping effects.

More Information

FlipAlbum photo albums are commonly used for sharing pictures with friends and family. Professional photographers also used them for arranging pictures for clients.

NOTE: OPF files are saved in E-Book Systems' proprietary FlipAlbum XML format, and should not be confused with the Open Packaging Format (OPF) standard.

Program(s) that open .OPF files
Updated 6/10/2010