BK5 File Extension

Corel WordPerfect Document Backup
- File Type bk5
- Developer Corel Corporation
- Popularity
- Application WordPerfect
- Category Backup Files
What is a BK5 file?
Files with the BK5 extension are specifically tied to Corel WordPerfect Document Backup, a Backup Files type, and there are 395 files in this category.
The Corel WordPerfect Document Backup (BK5) was created by Corel, a company that developed file format and produced 27 programs for their use.
BK5 files are supported by Windows. If you need to backup a BK5 file, you can use one of 2 programs, such as WordPerfect and WordPerfect Office.
How to open a BK5 file?
If you’re having difficulty opening a BK5 file, it is often due to not having the correct software. To solve the problem, choose a compatible program from the list. Then follow the link to the official developer site, download the software, and install it on your device.
WordPerfect and WordPerfect Office stand out as the preferred programs to manage BK5 files effectively. To install the latest version of WordPerfect on your computer, visit the Corel website where you can download the version available for all operating systems.
After installation, your operating system should automatically open BK5 files with WordPerfect.
Set WordPerfect as the default BK5 handler
Choose an app to open a file on Mac
- Right click or use Control + left click on the desired BK5 file to launch the file options menu;
- Choose "Open in Application" and click "Other";
- Next, at the bottom of the window, you will see the "Enable" menu, in which "Recommended Programs" is selected by default;
- In this menu, select "All Programs", then find WordPerfect and check the box next to "Always open in the application."
Set default programs for Windows
- Start by right-clicking on your BK5 file, then select "Open With" and continue by clicking "Choose another app" from the options provided;
- In the pop-up window, find and select the WordPerfect 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 BK5 files.
Effective solutions for BK5 file problems
There are some common issues with BK5 files that can be resolved easily by making minor adjustments to your software. Below, you’ll find these issues along with practical troubleshooting tips.
What are the methods to detect if my BK5 file has been corrupted?
BK5 backup files that have become corrupted may display one or more of the following symptoms:
- An unexplained increase in the size of the BK5 file;
- Trying to work with the archive in WordPerfect or other programs causes instability or program crashes;
- The file does not open correctly or displays error messages;
- While working with the file, error alerts are encountered;
Why does WordPerfect crash?
Insufficient software updates can contribute to WordPerfect crash. To avoid this, make sure that you have installed the latest updates for Corel products.
Restarting your computer can resolve numerous common problems, so it should be the initial step before changing any software-related settings.
How to repair a corrupted BK5 file?
Open the damaged BK5 file in a recovery program and select the "Repair" menu item to start the repair operation. Please wait patiently for the recovery process to finish as it will automatically repair the damaged backup files.



