Import wallet.dat into a Bitcoin-Qt client

Tentacle in the door hole. Import wallet.dat into a Bitcoin-Qt client.

If you have wallet.dat backup file for Bitcoin Core Qt client and want to restore it, do simple procedure:

  1. Backup Your Wallet. Although this process is well tested and used you should always take another backup of your wallet.dat file before starting.Bitcoin Core QT client backup
  2. Close the Bitcoin-Qt client.
  3. Then you have to locate your Bitcoin folder. For Windows, it should be here: C:\%Users%\%Username%\AppData\Roaming\Bitcoin\wallets.
    For OS X ~/Library/Application Support/Bitcoin/
    In that folder, there should be a wallet.dat file.
  4. If you currently have no bitcoins in your wallet, you can just delete that file and replace it with your backup.
    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. New versions of client do it automatically. Here's how to do that in Windows using the command prompt:

  1. Go to C:\Program Files (x86)\Bitcoin using Windows Explorer.
  2. In that folder, hold shift and right-click and select Open command window here.
Bitcoin Core QT command line prompt
Bitcoin Core QT rescan command

Now Bitcoin-Qt should start and rescan the blockchain to calculate the balances of the addresses in your wallet.dat file.

New version supports several wallets. Just upload different wallet files. Start client and choose menu File->Open Wallet choose one.

Bitcoin Core QT rescan command
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