Files with INDEXDIRECTORY extension can be found as temporary files generated by Mac OS X Spotlight indexing function.

Detailed description

Software that works with indexDirectory file extension

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INDEXDIRECTORY file extension - Mac OS X Spotlight file

What is indexDirectory file? How to open indexDirectory files?

File type specification:

Temporary file type icon Temporary file type

The INDEXDIRECTORY file extension is related to Spotlight, an indexing process of Mac OS X.

Whenever an USB flash disk is plugged to a Mac computer, Spotlights creates two hidden folders .trashes and .spotlight-V100 on it.

An *.indexDirectory file is created inside the .spotlight-V100 folder.  These files are most likely used only for indexing purposes. 

The default software associated to indexdirectory file type:

Mac OS X icon

Apple, Inc. logoMac OS X  Apple macOS / Mac OS X software

Company or developer:
Apple, Inc.

OS X or Mac OS X is Unix-based operating system developed by Apple Inc. for Macintosh computers. It contains basic core applications for everyday use, such as Finder basic file manager, Safari for Internet browsing, QuickTime for video, iTunes for managing audio data and iPod, iOS devices management , iMessage instant messaging, Mail, Contacts, Calendar and many more.

The latest version 10.11 of OS X is called El Capitan. It is available to purchase on Mac App Store as well as is distributed with new Mac computers and notebooks. It includes features to improve the security, performance, design and usability.

OS X operating system was replaced by new macOS in 2016!

Help how to open INDEXDIRECTORY files:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert file with extension INDEXDIRECTORY:

As far as we know, this .indexDirectory file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

List of recommended software applications associated to the .indexDirectory file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux etc.) and possible program actions
that can be done with the file
: like open indexDirectory file, edit indexDirectory file, convert indexDirectory file, view indexDirectory file, play indexDirectory file etc. (if exist software for corresponding action in's database).

  • Others indexDirectory file

Unspecified and all other actions for computer programs working with indexDirectory file - Mac OS X Spotlight file

Click on the software link for more information about Mac OS X. Mac OS X uses indexDirectory file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).

Apple macOS / Mac OS X:

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INDEXCOMPACTDIRECTORY file extension > Temporary file types

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