If you are looking for your own lost wallet.dat file on your computer, you don't need "index of" search terms. You can find it using these default paths:
: It explains the "Berkeley DB" (BDB) format used to store private keys, public keys, metadata, and transaction history. Security Insight indexofwalletdat better
If you are looking for information on how to handle or recover a wallet.dat file securely, here are the essential details: What is a wallet.dat File? If you are looking for your own lost wallet
A. Create a read-only snapshot (optional, safer): indexofwalletdat better