How do I upload subscriber data into a list?

Last Updated: 2/7/2026     Tags: upload subscribers, bulk import, subscriber list, import subscribers, csv import
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You can upload subscriber data into an existing or new list using Taguchi's bulk import process.

Step-by-step bulk import

  1. Go to Subscriber Lists and either:
    • open the list you want to import into, or
    • create a new list.
  2. Click the Upload icon on the list card. You can also drag and drop your file from your computer on top of the list card.
  3. Upload your file (CSV, TSV, or XLSX). Subscriber file drag and drop
  4. In the mapping screen, assign each column to a Taguchi standard field or an existing/new custom field. Subscriber import field mapping
  5. Confirm at least one unique identifying field is mapped (Email, Phone, or External ID).
  6. Click Import.
  7. Wait for the import to finish and review the summary: Subscriber import completed summary
    • Green = new subscribers added
    • Blue = existing subscribers updated
    • Red = failed rows (not imported)
    • Purple = no change

Before you import

  • Ensure your file has column headings.
  • Remove obvious duplicates and invalid data where possible.
  • If needed, create required custom fields before uploading.

If you have any questions or need assitance, contact Taguchi Support.