How to send WhatsApp messages from Excel with Prime Sender

March 28, 2026 · 12 min read

Illustration of Prime Sender Excel upload

1. Put the numbers you want to message in the first column. Optionally add more columns for personalization.

Step one of the Excel import process

2. Open the Prime Sender extension, click Upload, and select your Excel file.

Upload Excel sheet interface in Prime Sender

3. Uploaded numbers appear in the numbers area.

4. Enter your message and click Send—the rest of the flow is the same as a normal campaign.