Files with indx extension are used by the Microsoft Mail electronic mailing server. They include indexed data.
Software that open indx file
INDX file extension - Microsoft Mail index file
What is indx file? How to open indx files?
File type specification:
The indx file extension is associated with the Microsoft Mail electronic mailing server latter renamed on Microsoft Exchange Server. The .indx file contains indexed data used by Microsoft Mail for internal purposes.
The default software associated to open indx file:
Company or developer:
Microsoft Corporation
Microsoft Mail is old e-mail client for AppleTalk Networks introduced in 1988. It is also working on MS-DOS operating system.
List of recommended software applications associated to the .indx 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 indx file, edit indx file, convert indx file, view indx file, play indx file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with indx file - Microsoft Mail index file
Click on the software link for more information about Microsoft Mail. Microsoft Mail uses indx 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.).