.CRYPT10 File Extension
WhatsApp Encrypted Database File
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What is a CRYPT10 file?
A CRYPT10 file is an encrypted database of messages created by the Android version of WhatsApp Messenger, a messaging application. It contains a backup of the messages sent and received via the app and is encrypted with 256-bit AES encryption, which users can only decrypt with the correct encryption key.
More Information
WhatsApp is a common messaging app used worldwide on various devices, including computer and mobile devices running Android and iOS. Among its features, the app provides database encryption to secure your messages.
Throughout its different versions, WhatsApp has encrypted databases with different algorithms. The Android version of WhatsApp encrypted databases (.DB files) and appends a .crypt file extension to the DB file, creating a .db.crypt file.
Additionally, a number follows the extension to signify the version of the algorithm. Besides .crypt10, other extensions include .CRYPT7, .CRYPT8, and .CRYPT12 files.
CRYPT10 file location
You can find CRYPT10 database files on the SD card of Android devices with WhatsApp Messenger installed. For example, you can find the CRYPT10 file (or other WhatsApp encrypted database file) in the following location:
/sdcard/WhatsApp/Databases
Additionally, you may find multiple CRYPT10 database files in the "Databases" folder, with YYYY-MM-DD dates included in their filenames. WhatsApp adds these dates to signify when the app created the backup files.
You can delete these dated backup files to free up space on your SD card without affecting your WhatsApp messages. However, you should always keep the most recently dated one or two CRYPT10 files if you need to restore your WhatsApp message history.
Common CRYPT10 Filenames
msgstore.db.crypt10 - Name of the file that contains the encrypted message history.
msgstore-YYYY-MM-DD.db.crypt10 - Name of a recent WhatsApp message backup file. The YYYY-MM-DD indicates the date in which the backup was created.
How to open a CRYPT10 file
You can use a CRYPT10 file to migrate or restore your WhatsApp message history on an Android device. To do so, you must rename your most recent CRYPT10 file to msgstore.db.crypt10 before reinstalling WhatsApp, then manually restore your message history when prompted.
Additionally, if you want to decrypt a CRYPT10 database and view the message history it contains, you must first locate your WhatsApp key file, which stores your CRYPT10 file's encryption key. Your key file is stored in the following location:
/data/data/com.whatsapp/files/key