A daily updated filename extension database!

KEYCHAIN file extension

The table below provides useful information about the .keychain file extension. It answers questions such as:

  • What is the .keychain file?
  • What program do I need to open a .keychain file?
  • How can the .keychain file be opened, edited or printed?
  • How can I convert .keychain files to another format?

Table of Contents

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ Mac OS X Keychain

KEYCHAIN file is a Mac OS X Keychain. Keychain is Apple Inc.'s password management system in Mac OS.
KEYCHAIN format description not yet available
Category: Data files
Application: Mac OS X
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
KEYCHAIN aliases:
KEYCHAIN related links:
KEYCHAIN related extensions:

Other types of files may also use the .keychain file extension.

🔴 Can't open a .keychain 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 cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .keychain file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .keychain file extension, write to us!

🔴 Rate our KEYCHAIN page

Please help us by rating our KEYCHAIN page on a 5-star rating system below. (1 star is poor, 5 star is excellent)

3 of 5 stars (20 votes)
Thanks for voting!
Invalid vote.
Browser: Abbreviation Application Archive Audio Configuration Data Development Disk Image Document Ebook Font Game Data GIS Graphic Malware Multimedia Other Project Scam Unknown Video
This page is available in the following languages: Český Deutsch English Español Suomi Français Magyar Italiano 日本語 Nederlands Norsk Português Român Русский Svensk 中文