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

.OPF File Extension

File Type 1FlipAlbum File

DeveloperE-Book Systems
Popularity
3.5 (2 Votes)
CategoryMisc Files
FormatBinary

Binary

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

What is an OPF file?

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.

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

NOTE: FlipAlbum has been discontinued and is no longer available for download.

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Programs that open OPF files
Windows
E-Book Systems FlipAlbum
Mac
E-Book Systems FlipAlbum
Updated 10/14/2016

File Type 2FlipViewer FlipBook File

DeveloperE-Book Systems
Popularity
3.5 (19 Votes)
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.

.OPF File Association 2

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.

Programs that open OPF files
Windows
E-Book Systems FlipViewer
Mac
E-Book Systems Mac FlipViewer
Updated 12/13/2007

File Type 3Open Packaging Format File

DeveloperIDPF
Popularity
3.2 (10 Votes)
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.

.OPF File Association 3

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.

Programs that open OPF files
Updated 5/19/2010

About OPF Files

Our goal is to help you understand what a file with a *.opf suffix is and how to open it.

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