File extension KEYCHAIN

File type Apple Keychain Password Format
Developer Apple
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What is a KEYCHAIN file?

KEYCHAIN is a file format used by essential Mac OS application. KEYCHAIN files are created by Apple Keychain, a system tool for storing and managing passwords, passphrases, keys, and certificates used by users.

KEYCHAIN files used data encryption. Apple iCloud service can be used for password synchronization among devices so that user can access his or hers credentials on iOS devices or laptop/desktop computers.

Program(s) that can open the .KEYCHAIN file

How to open KEYCHAIN files

If you cannot open the KEYCHAIN file on your computer - there may be several reasons. The first and most important reason (the most common) is the lack of a suitable software that supports KEYCHAIN among those that are installed on your device.

A very simple way to solve this problem is to find and download the appropriate application. The first part of the task has already been done – the software supporting the KEYCHAIN file can be found in the table. Now just download and install the appropriate application.

Possible problems with the KEYCHAIN format files

The inability to open and operate the KEYCHAIN file does not necessarily mean that you do not have an appropriate software installed on your computer. There may be other problems that also block our ability to operate the Apple Keychain Password Format file. Below is a list of possible problems.

  • Corruption of a KEYCHAIN file which is being opened
  • Incorrect links to the KEYCHAIN file in registry entries.
  • Accidental deletion of the description of the KEYCHAIN from the Windows registry
  • Incomplete installation of an application that supports the KEYCHAIN format
  • The KEYCHAIN file which is being opened is infected with an undesirable malware.
  • The computer does not have enough hardware resources to cope with the opening of the KEYCHAIN file.
  • Drivers of equipment used by the computer to open a KEYCHAIN file are out of date.

If you are sure that all of these reasons do not exist in your case (or have already been eliminated), the KEYCHAIN file should operate with your programs without any problem. If the problem with the KEYCHAIN file has not been solved, it may be due to the fact that in this case there is also another rare problem with the KEYCHAIN file. In this case, the only you can do is to ask for assistance of a professional staff.

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How to associate the file with an installed software?

If you want to associate a file with a new program (e.g. my-file.KEYCHAIN) you have two ways to do it. The first and the easiest one is to right-click on the selected KEYCHAIN file. From the drop-down menu select "Choose default program", then click "Browse" and find the desired program. The whole operation must be confirmed by clicking OK. The second and more difficult to do is associate the KEYCHAIN file extension to the corresponding software in the Windows Registry.

Is there one way to open unknown files?

Many files contain only simple text data. It is possible that while opening unknown files (e.g. KEYCHAIN) with a simple text editor like Windows Notepad will allow us to see some of the data encoded in the file. This method allows you to preview the contents of many files, but probably not in such a structure as a program dedicated to support them.

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