How to Import Customers into Lessen Pro

How to Import Customers into Lessen Pro

Efficiently manage your customer list by using the provided CSV template to upload data. This guide walks you through formatting your file, resolving import errors, and saving new customer contact information to the system.

Before You Begin

The import process has three steps:

  • Step 1 — Prepare & Upload: Download the CSV template, fill in your data, and upload the file
  • Step 2 — Review Data: Review and correct any issues flagged by the system
  • Step 3 — Import into Lessen Pro: Confirm and complete the import

Prepare & Upload

1

Navigate to Customers

From the navigation bar, click the Customers tab.
2

Click the "Import Customers" Icon

Click the Import Customers icon in the top right area of the Customers page to open the import flow.
3

Download the CSV Template

Click Download CSV Template. The template includes columns for customers, contacts, and locations. Fill in your data, then save the file before uploading.

⚠️ Do not change the column headers

The CSV template headers must remain exactly as provided. Changing them will cause the import to fail.

Required data

  • Customer name
  • At least one location and address

Formatting rules

  • One location per row
  • Phone format: XXX-XXX-XXXX

4

Upload Your Data

Once your CSV is complete and saved, click Upload your data to proceed to the next step.

Accepted Format

  • CSV only
  • Max 20MB
  • Up to 5,000 customers and locations per file

Review Data

5

Review and Correct Any Issues

The system will flag any rows with errors. Review each issue and make the necessary corrections directly in the review panel. Required fields that are missing will be highlighted in red.
6

Click "Save Changes"

Once all data has been reviewed and corrected, click Save changes to confirm your edits and proceed to the final step.

Import into Lessen Pro

7

Click "Import"

When the system shows Ready to import, click the Import button to complete the process. Your customer data will be saved to Lessen Pro.

💡 Pro Tips

  • Double-check your details before moving on to avoid sync errors.
  • Required fields will be highlighted in red if they are missing or incorrect.
  • You can delete the example data from the template before uploading.
  • You can always re-upload corrected rows later if needed.

    • Related Articles

    • Welcome to Lessen Pro

      Run jobs. Not paperwork. Lessen Pro is your all-in-one platform for managing customers, jobs, scheduling, and payments in one place. Lessen Pro helps you streamline operations, stay organized, and move work forward from quote to completion. Whether ...

    • Managing QuickBooks In Lessen Pro

      Connect Lessen Pro to QuickBooks Online to automatically sync invoices, customers, services, and payments — keeping your books up to date without manual entry. Overview The QuickBooks Online (QBO) integration allows Lessen Pro to automatically sync ...

    • Workflow Automations in Lessen Pro

      Learn how to create and manage automations in Lessen Pro to reduce manual work and automate repetitive tasks across Leads, Work Orders, Quotes, and Invoices. What Are Automations? Automations help save time by automatically performing actions when ...

    • Connect Stripe Payments to Lessen Pro

      About the Stripe Integration Lessen Pro integrates with Stripe to securely process payments for your services. With Stripe, you can collect payments from customers online, track invoices, and manage transactions — all within your Lessen Pro workflow. ...

    • What's New in Lessen Pro — Summer 2026

      Product ANNOUNCEMENT What's New in Lessen Pro — Summer 2026 Q2 was a big one for Lessen Pro. We've rolled out new ways to automate your work, manage recurring revenue, streamline Lessen jobs, and create a better experience for your team and ...