>> CER file

CER file format description

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

2 filename extension(s) found in our database.

.cer - Broderbund PrintMaster Certificate

The CER document files are related to PrintMaster. CER file is a Broderbund PrintMaster Certificate document. PrintMaster is a software for making card, posters, banners, etc.

Document files
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Broderbund PrintMaster Certificate related extensions:
Broderbund PrintMaster Banner
Broderbund PrintMaster Business Card
Broderbund PrintMaster Calendar
Broderbund PrintMaster Card
Broderbund PrintMaster Envelope
Broderbund PrintMaster Label

.cer - MSI Cerius 2 Format Data

The CER data files are related to OpenBabel. CER file is a MSI Cerius 2 Format Data. Cerius 2 is a graphical interface to DMol3 that uses the X Window System.

Data files
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MSI Cerius 2 Format Data related extensions:
Adobe FreeHand 3 for Mac Data
Concordance User Management Control Data
Concordance Print Settings Data
IBM Voice Type Languages Newuser Data
Gaussian Input Data
IsoStar Library of Intermolecular Interactions Data

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

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

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

cdr, ce, ced, cee, cef, ceg, cet, cfr, cr, cre, crr, csr, cwr, der, ecr

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

SVAL Correction Data
SciFinder Chemical eXchange Format Data
CN3 Compressed Extended Ephemeris Data
Java Serialized Object
Certificate Signing Request
CenturionMail Encrypted Email

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

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