>> QSTX file

QSTX file format description

Many people share .qstx files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .qstx file can be edited, converted or printed with. On this page, we try to provide assistance for handling .qstx files.

1 filename extension(s) found in our database.

.qstx - Quest III Quote File

The QSTX data files are related to Quest III. The QSTX file is a Quest III Quote File. The Timberlake Quest III Quoting and Estimation Tool (Quest III) program gives you tools for making and updating price quotes and sending them to your customers.

Quest III
Data files
- / -
Quest III Quote File related extensions:
WAsP Wind Atlas Data
Tecplot License Data
Windows SDK Makefile
Direct Mail Template
Ad-Aware Backup Data

Naturally, other applications may also use the .qstx file extension. Even harmful programs can create .qstx files. Be especially cautious with .qstx files coming from an unknown source!

Can't open a .qstx file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .qstx file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

qst, qsx, qtsx, qtx, stx

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

SAS XPORT Transport File
SBIG CCD Camera Image
Roxio Express Labeler Document
Intuit Quicken 2002 Data
Ami Pro Quickstart Tutorial Image
Zelda Classic Quest

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

If you find the information on this page useful, please feel free to link to this page.

If you have useful information about the .qstx file format, then write to us!