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Last updated: February 19, 2026

How to Write Invoice Email: Send Invoice Again (With Examples)

Stuck with unpaid invoices? Master the art of resending invoice emails with our tailored templates to boost collections and maintain client rapport.

On this page

• Quick template (short)
• Formal version
• Friendly version
• Firm version
• Subject lines
• Tips
• FAQ
• Personalized generator

Quick Template (Short)

Copy

Hi [[NAME]], just a quick follow-up on invoice [[REFERENCE]] from [date]. Could you please process this payment? Thanks, [[YOUR_NAME]]

Formal Version

Copy

Dear [[NAME]], this email serves as a polite reminder concerning invoice [[REFERENCE]], which was due on [due date]. We kindly request your attention to settle this outstanding amount. Please let us know if you need further details. Sincerely, [[YOUR_NAME]]

Friendly Version

Copy

Hey [[NAME]], hope you're having a good week! circling back on invoice [[REFERENCE]]—any chance you could take care of it soon? Let me know if you need anything. Cheers, [[YOUR_NAME]]

Firm Version

Copy

[[NAME]], final notice: invoice [[REFERENCE]] is now [number] days overdue. Immediate payment is required by [date] to avoid escalation. This is your last reminder before further action. [[YOUR_NAME]]

Subject Lines (Pick one)

• Reminder: Invoice [[REFERENCE]] Still Pending
• Follow-up Required: Invoice [[REFERENCE]] Overdue
• Urgent: Second Attempt for Invoice [[REFERENCE]]

Tips

• Always include the original invoice date and due date in the email body.
• Specify the exact amount owed and acceptable payment methods to reduce back-and-forth.
• Send reminders mid-week, ideally Tuesday to Thursday, for better response rates.

Related templates

More templates in the same category:

• How to Write Invoice Email: Overdue Invoice Reminder (With Examples)
• Invoice Email: Overdue Invoice Reminder — Short, Formal, Friendly, Firm
• Invoice Email: Overdue Invoice Reminder (Copy + Paste)
• Invoice Email: Overdue Invoice Reminder (Copy + Paste)
• How to Write Invoice Email: Request Payment Status Update (With Examples)

FAQ

Q: How soon after the due date should I resend an invoice email?
A: Wait 3-5 business days after the due date for a first follow-up; escalate timing based on client history.

Q: What if the client claims they never received the original invoice?
A: Resend the invoice as a PDF attachment with 'Resent' in the subject line and request read confirmation.

Personalized Generator (Fill & Copy)

Fill in the fields to generate a ready-to-send invoice email. Example Invoice: Invoice #INV-7712.