Files with qdi extension are used by the Quicken management tool. They include some saved dictionary data.
Software that open qdi file
QDI file extension - Quicken dictionary data file
What is qdi file? How to open qdi files?
The qdi file extension is associated with Quicken, a personal finance management tool developed by Intuit, Inc, which is available in both Windows and Mac Versions.
The .gdi files contain saved dictionary data used by Quicken Win version 1 to 4 and Quicken DOS version 3 to 8.
The default software associated to open qdi file:
Company or developer:
Intuit Inc.
Quicken is personal finance management program for Windows that comes in several editions: Quicken Deluxe, Quicken Premier, Quicken Starter.
List of recommended software applications associated to the .qdi 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 qdi file, edit qdi file, convert qdi file, view qdi file, play qdi file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with qdi file - Quicken dictionary data file
Click on the software link for more information about Quicken. Quicken uses qdi 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.).