When importing the file I got from my Sparrow wallet, I get an error:
Unknown file
Unable to import this file automatically. Proceed to the file mapping page to continue the import process.
And no transactions import
Workaround
I need to modify the file to Koinly format:
  • Rename
    Date (UTC)
    to
    Koinly Date
  • Rename
    Label
    to
    Description
  • Rename
    Value
    to
    Amount
  • Rename
    Fee
    to
    Fee Amount
  • Rename
    Txid
    to
    TxHash
  • Add column
    Currency
    and fill it with
    BTC