Files with signed file extension are some sort of web browser certificates for Safari web browser.

There is one other file type using
the SIGNED file extension!

empty icon.signed - BlackBerry 10 app sign

Detailed description

Software that works with signed file extension

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SIGNED file - macOS (OS X) signed data

What is signed file? How to open signed files?

File type specification:

Encoded and encrypted file type icon Encoded and encrypted file type

signed file icon: signed filetype icon

The singed file extension is associated with OS X operating system (now macOS) based on UNIX available for Mac computers and other apps written for it.

These signed files most likely contain certificates or other related data used by Apple Mac applications.

Updated: March 12, 2018

The default software associated to signed file type:

macOS icon

Apple, Inc. logomacOS  Apple macOS / Mac OS X software

Company or developer:
Apple, Inc.

macOS is Unix-based desktop operating system, a successor of Mac OS X system for MacBook-family, iMac, Mac Mini and Mac Pro computers, developed and sold by Apple, Inc.

macOS High Sierra (10.13) is including various new features, like digital personal assistant called Siri, new Apple Pay service, iCloud drive, new Messages app, Apple File System a successor of HFS+ and many more.

Mac OS X icon

Apple, Inc. logoMac OS X  Apple macOS / Mac OS X software

Company or developer:
Apple, Inc.

OS X or Mac OS X is Unix-based operating system developed by Apple Inc. for Macintosh computers. It contains basic core applications for everyday use, such as Finder basic file manager, Safari for Internet browsing, QuickTime for video, iTunes for managing audio data and iPod, iOS devices management , iMessage instant messaging, Mail, Contacts, Calendar and many more.

The latest version 10.11 of OS X is called El Capitan. It is available to purchase on Mac App Store as well as is distributed with new Mac computers and notebooks. It includes features to improve the security, performance, design and usability.

OS X operating system was replaced by new macOS in 2016!

Help how to open:

At this moment, there is not known application that is able to open .signed file types.

How to convert:

It does not seem to be possible to convert *.signed files to anything else.

List of recommended software applications associated to the .signed file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open signed file, edit signed file, convert signed file, view signed file, play signed file etc. (if exist software for corresponding action in File-Extensions.org's database).

  • Others signed file

Unspecified and all other actions for computer programs working with signed file - macOS (OS X) signed data

Click on the software link for more information about macOS. macOS uses signed file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).

Apple macOS / Mac OS X:

Main software associated with signed file by default:
macOS small icon macOS
Mac OS X small icon Mac OS X

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SIGN file extension

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