File Extension Library

.IDLK File Extension

  • Developer by: Adobe Systems
  • Category: Misc Files

What is an .IDLK file?

.IDLK file extension is created by Adobe Systems. .IDLK has been classified as Misc Files.

.IDLK is Adobe InDesign Lock File

Source control file created when an InDesign (.INDD) file is opened; allows the file to be "checked out" and prevents the InDesign document from being edited by more than one person at a time.

InDesign lock files typically use the following filename convention: "~[INDD filename]~[random string].idlk." They are saved in the same folder as the InDesign files they represent. Leftover IDLK files can be deleted after the InDesign application has been quit.

List of all softwares that can open the Adobe InDesign Lock File
Adobe InDesign CC 2019
Adobe InDesign CC 2019

How to Open .IDLK file on different platforms

Open .IDLK File on Windows

  • Right-click a .IDLK
  • Left-click "Open With" > "Choose another app"
  • Select the program that opens .IDLK file and Select check box "Always use this app to open .IDLK files" Press "Ok"

Open .IDLK File on Mac

  • Right-click (or Ctrl + Left-click) the .IDLK file
  • Click "Open With" > "Other.."
  • Then choose another program from the app list and press "Open"
  • Select check box "Turn on" for "Always open in app"

Open .IDLK File on Linux

Right click on the .IDLK file, choose "Open with" and select a program from the list above

Open .IDLK File on iPhone

Select a file. If you don't see an application to open the .IDLK file, tap "Share" and choose the right app.
Method 2
Save the file. Then open the app «Files». Touch and hold the file, then release your finger. You will see a black menu bar. After that tap "Share" and select an application.

Open .IDLK File on Android

Tap the Settings icon on an Android smartphone, then select «Applications». Click the Settings icon in the upper right corner of the screen, to change the default apps.
If you want to open, edit, save or even convert .IDLK files on Android, then your best bet is to download one of the dedicated apps available on Google Play.

How to fix problems with .IDLK files

  1. You need to update the application that you normally use to open .IDLK files. Only the latest version of the software supports the current .IDLK file format
  2. You need to check the .IDLK file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)