Types of DQY Files

Dominant DQY File Type

.DQY

Formatting:	.dqy
Classification:	Excel Query File

A DQY file is a database query used by MS Excel. It uses ODBC (Open Database Connectivity) formatting for compatibility with other databases.

Created by:	Microsoft Corporation
File Category:	Database Files
Subkey:	HKEY_CLASSES_ROOT\.dqy

Software Programs That Open The Excel Query File:

Microsoft Excel by Microsoft Corporation

Windows

	Mac
	iOS

Android

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Troubleshooting Problems Opening DQY Files

Troubles Opening DQY Files

Microsoft Excel Not Present

If you attempt to load your DQY file, you experience a message such as "Can't Open DQY Files". Generally, this is experienced in %%os%% because Microsoft Excel isn't installed on your PC. This will prevent you from double-clicking to open the DQY file because the OS doesn’t know how to handle it.

Tip: If you don't have Microsoft Excel installed, and you know of another program to open your DQY file, you can try opening it by selecting from the programs listed under "Show Apps".

Obsolete Version of Microsoft Excel

In some cases, you might have a newer (or older) version of a Excel Query File file that is unsupported by your installed application version. Installing the latest version of Microsoft Excel from Microsoft Corporation is recommended. Your Excel Query File file was probably created by a newer release of Microsoft Excel than what's currently installed your computer.

Tip: If you right-click on your DQY file, then select "Properties" (Windows) or "Get Info" (Mac), you can obtain hints about what version you need.

Conclusion: The majority of DQY file opening issues are due to not having the correct Microsoft Excel version installed.

Additional DQY Opening Issues

You can still experience errors opening DQY files even with the latest version of Microsoft Excel installed on your PC. There can be other issues - unrelated to software - preventing you from opening DQY files. Issues that aren't software-related:

• Invalid DQY file references in the Windows Registry (the "phonebook" of the Windows Operating System)
• Corruption of the DQY file description inside the Registry
• Partial installation of Microsoft Excel that did not fully complete
• The DQY itself is corrupted
• Past or present virus infection has affected your DQY
• Drivers associated with DQY software need to be updated
• Too many applications are open on your PC to load your Excel Query File file successfully