BK3 File Extension

Corel WordPerfect Document Backup
- File Type bk3
- Developer Corel Corporation
- Popularity
- Application WordPerfect Office
- Category Backup Files
What is a BK3 file?
The BK3 extension is related to Corel WordPerfect Document Backup and is classified in the Backup Files category, which contains 395 files.
With the creation of the Corel WordPerfect Document Backup (BK3), Corel introduced file format along with 27 programs built for their use.
BK3 files are compatible with various operating systems, including Windows. You can backup a BK3 file using one of 2 programs, for example WordPerfect Office and WordPerfect.
How to open a BK3 file?
The most common reason why a BK3 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.
WordPerfect Office and WordPerfect are among the most widely used programs for handling BK3 files. If you wish to install the latest release of WordPerfect Office, visit the official Corel portal and download the edition that works on any operating system.
Following installation, BK3 files should be automatically opened with WordPerfect Office.
Set WordPerfect Office as the default BK3 application
Change the default app that opens a file on Mac
- Right-click or use Control + Left-click on the desired BK3 file to open a menu where you can choose from multiple actions;
- Choose "Open in Application" and click "Other";
- Look at the bottom of the window, where you will see the "Enable" menu. "Recommended Programs" will be selected as the default option;
- Within this menu select "All Programs" and navigate to WordPerfect Office. Check the box next to "Always open in app" to make sure it’s the default option.
Change default programs in Windows
- Start the process by right-clicking on your BK3 file and selecting "Open With". From there, click "Choose another app" to continue;
- From the options listed in the pop-up window, specifically choose WordPerfect Office as the application to handle your BK3 file;
- Be sure to check the "Always use this app" checkbox and click "OK" to save your preference.
Troubleshooting guide for BK3 file complications
When issues arise with BK3 files, they can generally be fixed with small software tweaks. Use the troubleshooting tips below to help resolve them.
What are the possible solutions to recover a corrupt BK3 file?
Start a recovery program, open the damaged BK3 file and then select the "Repair" menu item to start the repair procedure. Wait for the recovery process to finish, allowing automatic repair of damaged backup files.
How can I confirm if my BK3 file has been damaged?
The signs of corrupted BK3 backup files can manifest as:
- The file stops responding or freezes in WordPerfect Office or other programs;
- The file does not respond or shows errors when opening it;
- Unexplained BK3 file size inflation;
- The file operation is accompanied by the display of error messages;
What are the possible causes of WordPerfect Office crashing?
Lack of regular software updates can cause WordPerfect Office to crash. Make sure you have installed the latest updates for Corel products.
Restarting your computer is a crucial troubleshooting measure that can alleviate numerous common problems. Therefore, it is advisable to restart your computer before modifying any settings related to the software.



