IDX file extension. How to open and convert files with IDX file suffix

An idx file extension is related to the Sunnysoft InterWrite and used for its data files. Probably obsolete.

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

.idx - Index file [common]

.idx - Microsoft Outlook Express mailbox index

.idx - Easy Timesheets data

.idx - NoX game data

.idx - Hellgate: London game archive

.idx - Subtitle index file

IDX file extension - Sunnysoft InterWrite data

What is idx file? How to open idx files?

File type specification:

Various data file type

idx file icon:

The idx file extension used by Sunnysoft InterWrite, a software for Windows Mobile platform.

The idx file contains some kind of data used by InterWrite.

Most likely some old format without support. No further information could be found.

This idx file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

The default software associated to open idx file:

InterWrite Pro
(obsolete software)

Company or developer:
Sunnysoft s.r.o.

InterWrite Pro is software used to localize Windows Mobile PDAs, MDAs, smartphones etc. InterWrite Pro localizes not only standard system parts, but also specific parts of particular device.

Help how to open:

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:

As far as we know, this .idx 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 .idx file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android 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).

Unspecified and all other actions for computer programs working with idx file - Sunnysoft InterWrite data

Click on the software link for more information about InterWrite Pro. InterWrite Pro uses idx 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.).

Windows Mobile/CE:

InterWrite Pro (obsolete/discontinued)

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