Files with idx file suffix can be usually encountered as various index files from all kind of programs and applications.

There are 6 other file types using
the IDX file extension!

idx icon.idx - Microsoft Outlook Express mailbox index file

empty icon.idx - Easy Timesheets file

idx icon.idx - Sunnysoft InterWrite file

empty icon.idx - NoX game file

empty icon.idx - Hellgate: London game archive file

empty icon.idx - Subtitle index file

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IDX file extension - Index

What is idx file? How to open idx files?

File type specification:

Database file type icon Database file type

The idx file extension is traditionally used for index files. Many programs use them, but no unified format exists. Nevertheless, they are generated for the very same purposes - to speed up file or database search. You may find these indexes mainly in database programs, but even some video subtitling programs or media players use them.

These files are usually generated by programs to speed up the searching through large number of files. In most cases if you delete this file, it will be recreated the next time the index process is started again.

Index files usually contain one header record and one or many node records. The header record contains information about the root node, the current file size, the length of the key, index options and signature, and printable ASCII representations of the key1 and FOR expressions. The header record starts at file position zero.

Note: There is no connection to Internet Data Exchange and this file type.

The default software associated to idx file type:

Visual FoxPro icon

Microsoft Corporation logoVisual FoxPro  Microsoft Windows software

Company or developer:
Microsoft Corporation

Microsoft Visual FoxPro is set of tools that is used to create database applications, desktop applications and web applications. Visual FoxPro uses own proprietary data centric object oriented and procedural programming language. Visual FoxPro is available for Microsoft Windows.

Help how to open IDX files:

Most of index files are not meant to be opened directly and only serve for indexing purposes. Some may be opened using a text editor, but lots of them are binary.

How to convert file with extension IDX:

Index files are typically not meant to be converted to anything else.

List of software applications associated to the .idx 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 idx file, edit idx file, convert idx file, view idx file, play idx file etc. (if exist software for corresponding action in File-Extensions.org's database).

Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is ableto perform the specified software action, such as opening, editing or converting idx files.

  • Create idx file
  • Others idx file

Programs that can create idx file - Index

Click on the link to get more information about listed programs for create idx file action.

Microsoft Windows:

Multiplatform:

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