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I cannot open a KEYSTORE file. What should I do? Help!

Virtually anyone has encountered some problems with opening unknown files while working on a computer. It can be very frustrating. Yet such problems, not only with KEYSTORE files, can be addressed in a standard way. Follow the steps below and we can guarantee that your problem with opening KEYSTORE will be resolved!

  1. 1. KEYSTORE File Extension
  2. 2. What is a(n) KEYSTORE file?
  3. 3. How to open KEYSTORE file?
    1. 3.1 Download and install application that supports KEYSTORE files
      1. 3.1.1 Programs that support KEYSTORE files
    2. 3.2 Verify whether KEYSTORE files are associated with appropriate software
    3. 3.3 Check KEYSTORE file for other errors
  4. 4. Similar file extensions

KEYSTORE File Extension

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  • File type Java Keytool Key Database
  • File developer Oracle Corporation
  • File category Database Files
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What is a(n) KEYSTORE file?

KEYSTORE files are security files that are used by several IDEs. They are used to verify the identity of the application author at the stage of its implementation to Android OS and for SSL encryption. They contain an encrypted packet of cryptographic keys and certificates. It is a good idea to make a copy of these types of files as their loss is irreversible.

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How to open KEYSTORE file?

If given user account does not have necessary permissions to open files with KEYSTORE extension, it is highly probable that no program that supports given files is installed on the users’ system. Below is a list of actions user should pursue in order to resolve most common problems.

Step 1. Download and install application that supports KEYSTORE files

After the application has been installed, the system should automatically open KEYSTORE files with given application. Below is the list of relevant programs along with operating systems they are available for:

Programs that support KEYSTORE files

Windows programs
Windows

Step 2. Verify whether KEYSTORE files are associated with appropriate software

It is possible that an application that supports KEYSTORE files is not associated with such files. In such case, the program should by manually associated with KEYSTORE files (right-click on the file icon → Properties → General Tab → In submenu "Open with" and click on "Change" button. System will display a list of suggested programs that support KEYSTORE files. Choose the application by checking the box "Always use the selected application to open this kind of files". System will store this information in its registry and use it to open KEYSTORE files with the selected program.

Changing KEYSTORE file association in registry

File association for KEYSTORE files can be edited manually by editing appropriate entry in Windows System Registry. However, it is discouraged as it may introduce errors to registry if not done properly and may even damage the system.

Step 3. Check KEYSTORE file for other errors

  • KEYSTORE file was not copied properly from storage medium.
  • Antivirus application prevents opening KEYSTORE files. In that case it is recommended to exercise extreme caution and recover or delete infected KEYSTORE file. It is also advised to scan the entire system for malicious software and viruses with antivirus software.
  • For KEYSTORE files downloaded from the internet it is advised to check if the file has been downloaded completely and is not corrupted. If not, the file should be re-downloaded.

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