In order to successfully import large CSV files (files with more than 3,000 transactions), you must split the file into smaller files of 3,000 transactions or less. Follow this guide to get your file to a size that can be imported via TaxBit's generic CSV converter.
It is imperative that each file you import has the correct headers. The headers for generic CSV files should be the following:
|Date and Time||Transaction Type||Sent Quantity||Sent Currency||Sending Source||Received Quantity||Received Currency||Receiving Destination||Fee||Fee Currency||Exchange Transaction ID||Blockchain Transaction Hash|
Each file you split must have these headers in the top row.
Begin with your original file. Skip to line 3001. From that line, copy all data to line 6,001. Paste that data into a new CSV file with the headers listed as described above. Save the new file. Continue this process in increments of 3000 transactions until you reach the end of your original file.
Importing the Files
Import each file using the regular generic CSV import process. Follow this article to import the file, selecting "Upload a Generic CSV" on step 3:
Once your file has imported, you will see a message appear notifying you that your file has imported successfully.
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CSV Too Big