This article explains why a CSV file may not upload correctly to the Power Dialer and outlines the steps required to resolve common issues.

Symptom

When attempting to upload a contact list to the Power Dialer, the CSV file is not accepted and no action occurs after the upload attempt.

Cause

This issue can occur for several reasons:

  • The CSV file exceeds the 1 MB size limit or contains more than 1,000 contacts.
  • Phone numbers in the file are not formatted in E.164 format.
  • The first column in the CSV file does not have a title.
  • The CSV file is not encoded in UTF-8 format.

Solution

Follow the steps below to ensure your CSV file meets Power Dialer requirements.

Check file size and contact limit

  • Confirm the file size is less than 1 MB.
  • Make sure the file contains 1,000 contacts or fewer, including the header row.

Verify phone number format

  • Ensure all phone numbers are in E.164 format, for example +1234567890.

Add a column header

  • Confirm that the first column, which contains the phone numbers, includes a column title.

Export the CSV in UTF-8 format

If you are using Microsoft Excel:

  1. Open your file in Excel.
  2. Select File > Save As.
  3. Choose CSV UTF-8 (Comma delimited) (*.csv).

If you are using Google Sheets:

  1. Open your spreadsheet.
  2. Select File > Download > Comma-separated values (.csv, current sheet).

Upload the CSV file to Power Dialer

  1. Open the Power Dialer in the Aircall app.
  2. Click Create list.
  3. Drag and drop the CSV file, or select it from your computer to upload.
Tip: Ensure there are no empty rows or unsupported characters in your CSV file before uploading.

For a detailed walkthrough of Power Dialer setup and usage, please see our article How to use Aircall's Power Dialer