If you are a developer or researcher looking for raw blockchain data in text format:

: Never download files from unknown sources promising free Bitcoin. Real Bitcoin is stored on the blockchain, not in a simple .txt file on someone's hard drive that they are emailing to you. If you’d like more specific help, let me know:

If you received an unsolicited email or message asking you to "Download btc.txt" to claim "found" Bitcoin or "lost" wallet funds, do not click it.

(Are you doing taxes, coding a project, or investigating a suspicious message)?

: Sites like Blockchain.com or Blockchair allow you to search for specific addresses.

If you want to download a record of your own transactions from a wallet or exchange for tax or tracking purposes: