KDBX File Extension

What is KDBX file?

KDBX is a database file associated with KeePass Password Safe application. KDBX files are encrypted by default and can only be opened with a password (master key). KDBX files store passwords or passphrases for other applications or services. KeePass Password Safe is a password manager that allow users to access all their accounts in a centralized manner.

KDBX format

KDBX format was introduced along with version 2 of KeePass Password Safe. Earlier version used KDB format as password database. KeePass Password Safe version 2 supports both those formats, with the limitation that the main database file must be in KDBX format. KDBX files are used only be KeePass Password Safe for Windows.

Programs which support KDBX file extension

Below is a table that list programs that support KDBX files. KDBX files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

Updated: 10/18/2022

How to open file with KDBX extension?

There can be multiple causes why you have problems with opening KDBX files on given system. Fortunately, most common problems with KDBX files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. We have prepared a listing of which will help you resolve your problems with KDBX files.

Step 1. Download and install KeePass Password Safe

Problems with opening and working with KDBX files are most probably having to do with no proper software compatible with KDBX files being present on your machine. The solution is straightforward, just download and install KeePass Password Safe. On the top of the page a list that contains all programs grouped based on operating systems supported can be found. The safest method of downloading KeePass Password Safe installed is by going to developer’s website (Dominik Reichl) and downloading the software using provided links.

Step 2. Verify the you have the latest version of KeePass Password Safe

If the problems with opening KDBX files still occur even after installing KeePass Password Safe, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of KeePass Password Safe is available. It may also happen that software creators by updating their applications add compatibility with other, newer file formats. This can be one of the causes why KDBX files are not compatible with KeePass Password Safe. The most recent version of KeePass Password Safe is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Associate KeePass Password Database files with KeePass Password Safe

If the issue has not been solved in the previous step, you should associate KDBX files with latest version of KeePass Password Safe you have installed on your device. The next step should pose no problems. The procedure is straightforward and largely system-independent

Change the default application in Windows

• Right-click the KDBX file and choose Open with option
• Next, select the Choose another app option and then using More apps open the list of available applications
• Finally select Look for another app on this PC, point to the folder where KeePass Password Safe is installed, check the Always use this app to open KDBX files box and conform your selection by clicking OK button

Change the default application in Mac OS

• Right-click the KDBX file and select Information
• Open the Open with section by clicking its name
• From the list choose the appropriate program and confirm by clicking Change for all....
• A message window should appear informing that This change will be applied to all files with KDBX extension. By clicking Continue you confirm your selection.

Step 4. Verify that the KDBX is not faulty

Should the problem still occur after following steps 1-3, check if the KDBX file is valid. Problems with opening the file may arise due to various reasons.

1. The KDBX may be infected with malware – make sure to scan it with an antivirus tool.

If the file is infected, the malware that resides in the KDBX file hinders attempts to open it. It is advised to scan the system for viruses and malware as soon as possible or use an online antivirus scanner. If the scanner detected that the KDBX file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.

2. Verify that the KDBX file’s structure is intact

Did you receive the KDBX file in question from a different person? Ask him/her to send it one more time. During the copy process of the file errors may occurred rendering the file incomplete or corrupted. This could be the source of encountered problems with the file. It could happen the the download process of file with KDBX extension was interrupted and the file data is defective. Download the file again from the same source.

3. Check if the user that you are logged as has administrative privileges.

Some files require elevated access rights to open them. Log in using an administrative account and see If this solves the problem.

4. Make sure that the system has sufficient resources to run KeePass Password Safe

If the system is under havy load, it may not be able to handle the program that you use to open files with KDBX extension. In this case close the other applications.

5. Check if you have the latest updates to the operating system and drivers

Up-to-date system and drivers not only makes your computer more secure, but also may solve problems with KeePass Password Database file. It is possible that one of the available system or driver updates may solve the problems with KDBX files affecting older versions of given software.

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