File Extension Library

.CRYPT9 File Extension

  • Developer by: WhatsApp
  • Category: Database Files

What is an .CRYPT9 file?

.CRYPT9 file extension is created by WhatsApp. .CRYPT9 has been classified as Database Files.

.CRYPT9 is WhatsApp Encrypted Database File

Encrypted database file created and used by WhatsApp Messenger, a messaging application for Android devices. It contains an encrypted database of chat history messages. CRYPT9 files are located on the SD card of Android devices.

The "crypt9" extension is one of many "crypt" extensions such as "crypt6", "crypt7", and "crypt8". The extension is often appended to a .DB file to create the db.crypt9 file, which is used by WhatsApp to secure a user's message database on his or her Android device. For each new installment, the application uses a different algorithm to encrypt the DB files. The extension appended to the DB file, such as .CRYPT7 or .CRYPT8, signifies the algorithm.

CRYPT9 database files are located in the following directory:

Common CRYPT9 Filenames

msgstore.db.crypt9 - Name of the file that contains the database of chat messages.

List of all softwares that can open the WhatsApp Encrypted Database File
WhatsApp Messenger

How to Open .CRYPT9 file on different platforms

Open .CRYPT9 File on Windows

  • Right-click a .CRYPT9
  • Left-click "Open With" > "Choose another app"
  • Select the program that opens .CRYPT9 file and Select check box "Always use this app to open .CRYPT9 files" Press "Ok"

Open .CRYPT9 File on Mac

  • Right-click (or Ctrl + Left-click) the .CRYPT9 file
  • Click "Open With" > "Other.."
  • Then choose another program from the app list and press "Open"
  • Select check box "Turn on" for "Always open in app"

Open .CRYPT9 File on Linux

Right click on the .CRYPT9 file, choose "Open with" and select a program from the list above

Open .CRYPT9 File on iPhone

Select a file. If you don't see an application to open the .CRYPT9 file, tap "Share" and choose the right app.
Method 2
Save the file. Then open the app «Files». Touch and hold the file, then release your finger. You will see a black menu bar. After that tap "Share" and select an application.

Open .CRYPT9 File on Android

Tap the Settings icon on an Android smartphone, then select «Applications». Click the Settings icon in the upper right corner of the screen, to change the default apps.
If you want to open, edit, save or even convert .CRYPT9 files on Android, then your best bet is to download one of the dedicated apps available on Google Play.

How to fix problems with .CRYPT9 files

  1. You need to update the application that you normally use to open .CRYPT9 files. Only the latest version of the software supports the current .CRYPT9 file format
  2. You need to check the .CRYPT9 file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)