The File Extensions Database


.SIGNED File Extension

  • Developer by: Apple, Inc.
  • Category: Encoded and encrypted Files

What is an .SIGNED file?

.SIGNED is macOS (OS X) data signature

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.


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.

How to solve problems with SIGNED files

  • Associate the SIGNED file extension with the correct application. On :
    Windows: Right click on any SIGNED file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.SIGNED files". Mac: Right click (or Ctrl-click) the SIGNED file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .SIGNED is macOS (OS X) data signature. Because only the current version supports the latest SIGNED file format. Search, therefore, e.g. on the Apple, Inc. manufacturer website after an available .SIGNED is macOS (OS X) data signature update.
  • To make sure that your SIGNED file is not corrupted or virus-infected, get the file again and scan it with antivirus software.