📊 Substack CSV Upload

Upload your Substack export to sync member data

Instructions:

  • Export your subscribers list from Substack as a CSV file
  • The file must contain an "email" column
  • Date columns will be automatically detected and formatted
  • Data is processed asynchronously - you'll receive confirmation immediately
  • Processing happens in the background (may take a few minutes for large files)
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Drag and drop your CSV file here
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