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.IDX File Extension 3 File Associations
 Run a free scan for .IDX file extension errors.

| File Type 1 |
Index File (Most common) |
| Category |
System Files |
| Common? |
No |
| File Description |
Stores an index of files used by various programs; used by search functions to speed up searches; once a hard disk, directory of files, or database is indexed, the data can be searched and sorted more efficiently.
Used by Microsoft FoxPro, Corel QuickFinder, ESRI ArcView, ICQ, and other programs. |
| Program(s) that open idx files |
 |
Mac OS |
Various programs |
 |
Windows |
Various programs |
|
| Sponsored Links |
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| Updated 2/6/07 |
| File Type 2 |
HMI Historical Log Index File |
| Category |
Data Files |
| Common? |
No |
| File Description |
Index for log files created by InTouch Human-Machine Interface (HMI) software or ReportBuilder with ODBC Connector pack for InTouch; used for running reports from collected data |
| Program(s) that open idx files |
 |
Windows |
Wonderware InTouch
WorkSmart Automation ReportBuilder |
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| Sponsored Links |
|
| Updated 2006 |
| File Type 3 |
Outlook Express Mailbox Index File |
| Category |
Text Files |
| Common? |
No |
| File Description |
Stores an index of mail messages stored in an Outlook Express mailbox (.MBX file); should be located in the same folder as the mailbox files; required for importing old Outlook Express mailboxes into Outlook Express 5 or later. |
| Program(s) that open idx files |
 |
Windows |
Microsoft Outlook Express |
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| Updated 12/16/06 |
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