DOK File Extension
ASCII Text
- File Type dok
- Developer SoftwareOK
- Popularity
- Application Notepad++
- Category Text Files
What is a DOK file?
The DOK file extension is linked to ASCII Text and belongs to the Text Files category, which includes 315 files.
DOK file support extends to various operating systems, including Windows, Mac OS and Linux. You can open a DOK file using one of 6 programs, for example Notepad++, Sublime Text and Gedit.
Programs that support DOK files
How to open a DOK file?
The most common reason why a DOK file cannot be opened is the absence of required software. To fix this, select a compatible program from the list. Then visit the official developer website via the provided link, download the program, and install it on your system.
When it comes to opening and working with DOK files, Notepad++, Sublime Text and Gedit are the top choices for users. If you want the most recent release of Notepad++, head over to the Notepad++ Team site and download the version designed to run on all platforms.
After installing, your OS should instantly open DOK files with Notepad++.
Set Notepad++ as the default DOK handler
Changing Default Programs in Windows
- Start by right-clicking on your DOK file and selecting the "Open With" option. From there, click "Choose another app" to continue;
- In the pop-up window, find and select the Notepad++ application from the available options;
- Make sure the "Always use this app" checkbox is checked and click "OK" to confirm your choice as the default app for opening DOK files.
Choose an app to open a file on Mac
- Right click or use Control + left click on the desired DOK file to launch the file options menu;
- Select "Open in application" and click "Other";
- Look towards the bottom of the window, where you will find the "Enable" menu. "Recommended programs" will be the default selection;
- Choose "All Programs" in this menu and search for Notepad++. Check the box next to "Always open in app" to set it as the default option.
How to edit a DOK file?
To edit DOK files, it is essential to install software that supports not only viewing but also editing the text files. Online DOK editors provide limited functionality compared to full-featured software for ASCII Text.
Best DOK editors in 2026
Based on the specified criteria, here is a list of DOK editors that may fit your requirements.
| DOK Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| TextEdit | Apple | Mac OS | 4.8 out of 5 (40 reviews) |
| Gedit | GNOME | Linux | 4.6 out of 5 (38 reviews) |
| Notepad++ | Notepad++ Team | Windows | 4.6 out of 5 (37 reviews) |
| Sublime Text | Sublime HQ Pty | Windows, Mac OS, Linux | 4.6 out of 5 (39 reviews) |
| Windows Notepad | Microsoft | Windows | 4.2 out of 5 (37 reviews) |
| Atom | - | Windows, Mac OS, Linux | 4.1 out of 5 (36 reviews) |
Effective solutions for DOK file problems
Problematic DOK files can usually be resolved by making small changes in your software. See the tips below to help fix common issues.
What Causes Notepad++ to Crash Frequently?
Notepad++ crashes can be attributed to outdated software. Make sure you have installed the latest updates for Notepad++ Team products.
Restarting your computer can resolve numerous common problems, so it should be the initial step before changing any software-related settings.
How can I restore a damaged DOK file?
Use a recovery program to open the damaged DOK file and navigate to the "Repair" menu item. Please be patient while the recovery process completes, which will automatically restore the damaged text files.
What are the signs that my DOK file is damaged?
Common indications of damaged DOK text files are:
- Editing the archive in Notepad++ results in slow or unresponsive behavior;
- The file causes Notepad++ or other programs to hang or crash during operation;
- Attempts to open the file result in errors or failed results;
- Unexplained increase in DOK file size;
- Working with the file triggers the display of error messages;