File Extension Search

.mobi File Extension

Developer: Mobipocket
File type: Mobipocket eBook
You're here because you have a file that has a file extension ending in .mobi. Files with the file extension .mobi can only be launched by certain applications. It's possible that .mobi files are data files rather than documents or media, which means they're not meant to be viewed at all.

what is a .mobi file?

The Mobipocket eBook is stored in the MOBI format and is affixed with MOBI file extension and is used by Mobipocket. These MOBI files are generally classified as data files that contain digital e-book based on the Open eBook standard in XHTML format inclusive of JavaScript, text, images, and frames. MOBI files may also have a PRC file extension and may either be DRM protected or non DRM format. PRC files are specifically used by PalmOS system or Palm Pilot PDA devices. These reflowable files can be read by using the Mobipocket Reader installed in the PDA which allows readers to put highlights, bookmarks, corrections, notes and drawings in any part of the book. This reader in a full screen mode includes electronic bookmarks, full text search ability, and built in dictionary. The Mobipocket eBook format was already discontinued in January 2012. The Calibre and Geometer Plus FBReader software can be used in Mac OS, Linux and Microsoft Windows based systems to access and view MOBI files.

how to open a .mobi file?

Launch a .mobi file, or any other file on your PC, by double-clicking it. If your file associations are set up correctly, the application that's meant to open your .mobi file will open it. It's possible you may need to download or purchase the correct application. It's also possible that you have the correct application on your PC, but .mobi files aren't yet associated with it. In this case, when you try to open a .mobi file, you can tell Windows which application is the correct one for that file. From then on, opening a  .mobi file will open the correct application. Click here to fix .mobi file association errors

applications that open a .mobi file

Mobipocket Reader

Mobipocket Reader

Mobipocket Reader software is an E-Book reader for some Personal Digital Assistant (PDA), mobile phones and desktop operating systems. The Mobipocket software package is free and composed of a variety of publishing and reading tools for PDA, Smartphones, cellular phones and e-book devices such as Symbian, Windows Mobile, Palm OS, webOS, Java ME, BlackBerry, Psion, Kindle and iLiad. Files having a .PRC extension are data files generated for Mobipocket Ebook Reader. This software features modified press reviews using a Web companion, provision of the writer, biography for every ebook, comes with a virtual library wherein all formerly downloaded content may be viewed and accessed, a protected reading system as a result of the encryption of eBooks. PRC files are exactly digital books saved in the Mobi format, a format used for Mobipocket Reader. Such files may be stored as protected or unprotected files. Protected files shall be encrypted with copyright protection which limits the access of other devices, while unprotected files may be opened on other programs like Amazon Kindle.
Amazon Kindle for PC

Amazon Kindle for PC

Amazon Kindle for PC is a version of e-reader software that is capable of synchronizing books across apps of a Windows computer or between the computer apps and a Kindle unit. This particular software is intended for Windows 7, Windows XP and Windows 7 only. It comes with Whispersync which is the technology that automatically syncs books with or without a Kindle device on hand. Furthermore, this product includes amazing features like the option to search books of any topic, section or character, look up words and definition through its integrated dictionary, access some facts of characters, places, quotes or anything related to books by using the Shelfari, a built-in encyclopedia. From thousands of e-Books available to read and store, this program lets you organize all books into different categories. In addition to those features, Amazon Kindle for Windows PC allows highlighting, adding bookmarks, taking notes and viewing page numbers.
FB2utils

FB2utils

Fiction Book is an E-book format that is XML-based. It has open and free format implementing multiple software and hardware. It is free from DMR [Digital Rights Management]. Unicode is supported. Poetry, quotes, organized text structures, subtitles, footnotes, references, JPEG and PNG images, subtitles [not seen on table of contents] may be found in the documents. Font formats include bold or strong, italic or emphasized, subscript, superscript, strikethrough and program code. Files used in Fiction Book have the .fb2 format. It describes the structure rather than the appearance of the document. The file includes metadata such as title, name of the author and publisher. This format makes it convenient for managing, indexing and automatic processing of your E-book collection, and allows conversion to other formats. Programs that support FB2 are OpenOffice.org with ooofbtools plug-in for Mac, Cool Reader, PyBookReader, KDE Okular, OpenOffice.org with ooofbtools plug-in and Calibre for Linux, Haali FictionBook Tools, Haali Reader, Calibre, Cool Reader, Athenaeum and fb2utils for Windows.
Cool Reader

Cool Reader

Cool Reader is application use for opening an E-book. it is an open-source or free (General Public License) program which works on these operating systems: Windows, Linux, Android, and Mac Os X. The supported formats are epub (non-DRM), fb2, txt, rtf, html, chm, tcr, doc and pdb. You can also switch from pages to scroll view and vice versa. It also have table of content feature and can also use the bookmark feature for easy marking. The text search feature, hyphenation dictionaries, complete FB2 (Fiction book 2.0) support, additional support of fonts, reading directly a book from zip archives and automatic reformatting of .txt will come in handy for all platforms. And there are specific feature regarding Android system such as the animated flipping of pages, quick recent book access, a file browser that is built in, profiles for day and night (adjusted colors, background, backlight levels), adjustment for the brightness by just flicking on the left edge of the screen. The background texture can also be stretched, tiled or use a solid color. The dictionary is still available in this operating system.
Calibre

Calibre

Calibre is an e-book library management software of e-books. It has multiple features that includes Library management, E-book conversion, Syncing to E-book reader devices, Downloading and Converting news into e-book format, Comprehensive e-book viewer and Content Server for online access to book collections. Library Management helps in managing e-book collection and is designed using the concept of the logical book. The E-book conversion converts and supports all major e-book formats, it can also rescale all font sizes, ensure that the output of e-books are readable and automatically creates and detects book structures. It features Syncing to e-book devices features a modular device driver design that adds support to different e-reader devices, it also supports updates of metadata on the device from metadata in the library and creates a collection on the device from tags which are described in the library. Calibre automatically gets news from Websites and RSS feeds and formats it into an e-book which is uploaded into a device that is connected. It has a built-in viewer that is capable of displaying major ebook formats and support table of contents, CSS, reference mode, bookmarks, searching, copying, printing and customizing rendering through the use of style sheets and embedded fonts.

a word of warning

Be careful not to rename the extension on .mobi files, or any other files. This will not change the file type. Only special conversion software can change a file from one file type to another.

what is a file extension?

A file extension is the set of three or four characters at the end of a filename; in this case, .mobi. File extensions tell you what type of file it is, and tell Windows what programs can open it. Windows often associates a default program to each file extension, so that when you double-click the file, the program launches automatically. When that program is no longer on your PC, you can sometimes get an error when you try to open the associated file.
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