>> CRTR file

CRTR file format description

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

1 filename extension(s) found in our database.

.crtr - MultiAd Creator Pro Document

The CRTR document files are related to MultiAd Creator Pro. CRTR file is a MultiAd Creator Pro Document. MultiAd Creator Pro is a desktop publishing application for Macintosh computers. The MultiAd Creator Pro seems to be no longer supported.

MultiAd Creator Pro
Document files
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MultiAd Creator Pro Document related extensions:
Jw_cad for Windows Document
Kingsoft Spreadsheets Template
TopSolid Viewer Document
SMath Studio Compressed Document
Homestead Sitebuilder Document

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

Can't open a .crtr 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 .crtr file extension is often given incorrectly!

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

crr, crt, ctr, rtr

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

SVAL Correction Data
Certificate File
BrainVoyager QX Contrast Data
Cgatools CRR File
Astrotite 200X Offline Data Repair File
NetSim Router Configuration Data

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 .crtr file format, then write to us!