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>> CA file

CA file format description

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

2 filename extension(s) found in our database.

.ca - Initial Telnet Cache

The CA data files are related to Telnet Server. CA file is an Initial Telnet Cache. The Telnet Server seems to be no longer supported.

Application:
Telnet Server
Category:
Data files
Mime-type:
application/octet-stream
Magic:
- / -
Aliases:
-
Initial Telnet Cache related extensions:
.opd
Wyko NT9100 Surface Profiler Surface Data
.pmi
Pegasus Mail Folder Index
.~si
Powersim Studio Project Backup
.uds
Generations Family Tree Document
.oe4
OpenCanvas 4 Event Data
.oe3
OpenCanvas 3 Event Data

.ca - OpenSSL Certificate Authority Data

The CA data files are related to OpenSSL. CA file is an OpenSSL Certificate Authority Data. OpenSSL is a cryptography toolkit implementing the Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS v1) network protocols and related cryptography standards required by them.

Application:
OpenSSL
Category:
Data files
Mime-type:
application/octet-stream
Magic:
- / -
Aliases:
-
OpenSSL Certificate Authority Data related extensions:
.crt
Certificate File
.csr
Certificate Signing Request
.der
Certificate File
.kdb
Key Database File
.orq
OCSP Request Data
.p12
PKCS #12 Data File

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

Can't open a .ca 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.ca

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 .ca file extension is often given incorrectly!

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

cw, ac, va, cx, cq, xa, cz

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

.cw
CardWorks Template
.ac
GNU Autoconf Input File
.xa
Gear CD-ROM XA Image
.ac
CaseWare Working Papers Client File
.da
Gcov Data File
.cq
CQUAL Configuration

Operating systems

DataTypes.net 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.

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

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

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