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What's the CSV format for Collections?

The best format for a CSV uploaded to Collections is a single column with no column header like the image below in UTF-8.

Screenshot 2025-06-05 at 8.35.21 AM

Only UTF-8 format is supported. Any other format will cause the upload to fail, including the Windows default in some older Excel versions.

Additional considerations:

  • all columns aside from "A" will be ignored
  • single empty rows will be ignored, but multiple empty rows will prevent any further content from uploading
  • large CSVs will require some time to import

To get the correct UTF-8 format from Excel:

  • go to your file
  • choose to "Save As"
  • select UTF-8

image (14)

If you'd like a sample CSV, reach out to support@aiceberg.ai and we're happy to send you one.