If you have some bitcoins in this wallet as well, backup that wallet file as well, or send all the coins to an address from your backed up wallet. When you placed the other wallet.dat file in place, you should run Bitcoin-Qt with the -rescan option.
The wallet.dat file is located in the Bitcoin data directory. It is intended that a wallet file be used on only one installation of Bitcoin at a time. Attempting to clone a wallet file for use on multiple computers will result in "weird behavior".
I recently imported the encrypted wallet.dat file into the bitcoin-qt wallet on Windows 7. Coins appeared. But, my expected passphrase is incorrect. At first I though I mis-recorded it or mis-typed it at inception.
This opens a file chooser dialog where you can choose the wallet to open. When the wallet is opened MultiDoge automatically synchronises it to get the latest transactions. Note that MultiDoge cannot open the wallet files from the Satoshi dogecoin client (wallet.dat files).
wallet.dat :: 4 of 16. INFO-HASH. What is this? The images below contain the data of an arbitrary file encoded in scannable QR codes. Scan the smaller QR code to the right for details about retrieving this file.
I recoveered the wallet.dat file from the hdd and tried to use it with fresh installed bitcoin, but I get 11ddb exception, so I think the file is
Files with dat extension can also be found as special wallet.dat files for BitCoin service. Contains a collection of private keys.
A file with the DAT file extension is usually a generic data file that stores information specific to the application it refers to.
DAT. Allegro Packfile (compressed) Header Hexdump: 73 6C 68 21. TrID.
Your wallet.dat file merely contains your public and private keys (the private key being hashed). And your wallet's transactions records too, if I recall that last part about the transactions stored there correctly too.