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SDEF File Extension

SDEF file extension is created by Apple, also known as AppleScript Dictionary Document. SDEF has been classified as Developer Files. This file is saved in an XML structure and its contents can be viewed in a Text Editor. You can open SDEF files in Apple Script Editor program.

AppleScript Dictionary Document File Type

AppleScript Dictionary Document File Type
Extension .sdef
Developer Apple
Popularity 5.0 (1 Votes)
Mime Type mime-type/not.available
Default Program Apple Script Editor
Category Developer Files
Format XML
Updated 5/1/2024

What is a SDEF File Type?

The AppleScript dictionaries store terminology in a human-like format. For this reason, scripts can be written using terms defined by the developer-that are easy to understand. SDEF files can be created and edited using AppleScript Editor, which is included with Mac OS X.

AppleScript is a built-in scripting language used to automate repetitive tasks, create shortcuts and develop custom applications. You can use SDEF files to incorporate custom instructions into AppleScript.

Earlier AppleScript Editor was called " Script Editor &" under Mac OS X 10.5 (Leopard) and earlier. The program was renamed to " AppleScript Editor &" when Mac OS X 10.6 (Snow Leopard) was released.

Free online SDEF Tools & Apps

We have also the free online .SDEF (AppleScript Dictionary Document) file extension apps that can allow to view, edit, convert from to SDEF, merge, split and compare the SDEF files without installing anything on your system. Please click on the links to explore the complete list of details for each required feature.

SDEF Files Common Issues

There are few common issues with the AppleScript Dictionary Document .SDEF File Extensions while opening the .SDEF files on Windows and MacOs, we have solution to those issues such as:

Can't Open SDEF Files?

  1. You must have supported software programs installed for AppleScript Dictionary Document on your system such as Apple Script Editor.
  2. Associate default Apple Script Editor Apple Script Editor program for *.sdef (AppleScript Dictionary Document) files.


    Associate SDEF Default Program on MacOs
    1. Click *.SDEF (e.g example.sdef) file and click information -> Open With.
    2. In the programs list, click Apple Script Editor Apple Script Editor program Or other appropriate program that you want.
    3. Confirm Change for all... and Contine.
    4. A message will appear "This change will be applied to all files with .Apple Script Editor extension. By clicking Continue you confirm your selection", click Contine to apply changes.

Related SDEF File Extensions

SDEF default file extension is .SDEF and other similer related extensions are:

All Platform Software Programs for SDEF File Extension

List of all softwares that can open the SDEF files on each platforms such as Windows, Mac, iOS, Linux, Web and Android, you may click the each software link for more details for other supported formats for each software and the verified direct download links for each software with complete lisensing details.

Microsoft Windows logo image Open SDEF File on Windows

Software License Developer

MacOs logo image - FileProInfo.comOpen SDEF File on Mac OS

Software License Developer
Apple Script Editor image. Apple Script Editor 000 for MacOs Included with OS Apple Script Editor
Apple Xcode image. Apple Xcode 10 for MacOs Freeware Apple

Linux logo image - FileProInfo.comOpen SDEF file on Linux

Software License Developer

Website logo image - FileProInfo.comOpen SDEF file on Web

Software License Developer

iOS logo image - FileProInfo.comOpen SDEF file on iOS

Software License Developer

Android logo image - FileProInfo.comOpen SDEF file on Android

Software License Developer

About Licensing

  1. Free Trial This software are often used for an attempt period, like 14 days, before requiring payment. Some trial versions have a reduced feature set.
  2. Free This software is liberal to use. Examples include open-source , freeware software, like free programs supported by advertising.
  3. Free+ This software is liberal to download and use, but contains in-app purchases (IAP) to unlock additional content or functionality.
  4. Paid This software must be purchased so as to use it. it's going to be offered as a perpetual license or ongoing subscription.
  5. Included with OS This software is bundled with an OS , like Windows, macOS, or Android.

SDEF file extension icon image.About SDEF - AppleScript Dictionary Document

FileProInfo is to help you understand about the AppleScript Dictionary Document with *.SDEF suffix, and provide the complete detail as how to open, edit, convert, merge, split and compare it with other related software programs, software download links and free online apps and tools.

Our professional team members at FileProInfo have been individually researched and verified the details for SDEF. We want to be 100% accurate and publish the information about file formats, tools, apps and software programs that we have tested and validated.

If you would like to suggest any additions or updates to this page for SDEF, please let us know.

Updated 5/1/2024


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