How to Open .IDX files
Windows
Additional extension information
| File type: |
Text |
| Popularity: |
 Not specified |
| Author: |
Microsoft |
| MIME type: | Not specified |
Other .IDX file extensions
Files with the .IDX extension are used by Microsoft's 'Outlook Express' email client.
These files are used to store an external index of the mail messages stored inside the corresponding .MBX file, which is normally found within the same folder as the .IDX file.
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