QFXX file format description

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

1 filename extension(s) found in our database.

.qfxx - QuickLink II Fax Document

The QFXX document files are related to QuickLink II. The QFXX file is a QuickLink II Fax Document. QuickLink II for DOS was a fax and phone management program developed by Smith Micro. The QuickLink II seems to be no longer supported.

Application:

QuickLink II

Category:

Document files

Mime-type:

application/octet-stream

Magic:

- / -

Aliases:

QuickLink II Fax Document related extensions:

.dff: RenderWare 3D Model
.thing: MakerBot Thing Document
.ma2: Winplot Mapping Document
.info: GNU Info Document
.pnx: Pegasus Mail Draft Message
.irf: Autodesk Impression Drawing

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

Can't open a .qfxx 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:

example.qfxx

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.

Open Control Panel > Control Panel Home > Default Programs > Set Associations.
Select a file type in the list and click Change Program.

The .qfxx file extension is often given incorrectly!

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

qfx

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

.qfx: Quicken Financial Exchange Data
.qfx: QuickShow FX Data

Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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

https://datatypes.net/open-qfxx-files

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