# File requirements

## Accepted formats

- **.csv, .xlsx, or .xls — up to 10MB.** No template needed.
- Columns **auto-map on upload**: full/first/last name, street address, city, state, ZIP, phone, email, date of birth.
- **Extra columns are kept untouched** and included in your download — business names, notes, IDs, anything.

## What comes back

Your original file with the enrichment appended per row: the owner's name as matched, up to 5 emails, up to 5 phones with line types (mobile/landline), up to 3 addresses, and age.

## Export options

- **Matched rows** or **all rows**
- **Mobiles only** — only rows with a mobile, phone columns mobile-only
- **Mobile numbers first** — mobiles sorted into the first phone columns
- **Title Case names** — "DALE KIRKMAN" → "Dale Kirkman"