When writing an apology letter to your boss for not completing work, it's crucial to express genuine regret, provide a clear explanation for the delay, and assure your boss that you will complete the task promptly. Maintain a polite and respectful tone throughout the letter, and commit to delivering the work by a specified deadline.

Table of Contents:

Sample Apology Letter for Incomplete Work

__________ (Recipient’s Details)
__________ (Name of the Company)
__________ (Company’s Address)

Date: __/__/____ (Date)

Subject: Apology for incomplete work

Respected Sir/ Madam,

My name is ________ (name) and I work as ________ (designation) in your company having employee ID __________ (employee ID number).

I write this letter to apologize for the work which was provided to me. I beg to inform you that the work provided to me has not yet been completed by me. The reason behind the same is _________ (unavailability of sources/ not well/ delayed supply/ any other).

I ensure that the work would be completed by __/__/____ (date) and shall be submitted to you positively by the mentioned date. I beg your kind forgiveness.

Thanking you,
________ (Signature),
________ (Name),
________ (Contact Number)

Live Editing Assistance

Live Preview

How to Use Live Assistant

The Live Assistant feature is represented by a real-time preview functionality. Here’s how to use it:

  • Start Typing: Enter your letter content in the "Letter Input" textarea.
  • Live Preview: As you type, the content of your letter will be displayed in the "Live Preview" section below the textarea. This feature converts newline characters in the textarea into <br> tags in HTML for better readability.

Additional Template Options

The letter writing editor allows you to start with predefined templates for drafting your letters:

  • Choose a Template: Click one of the template buttons ("Start with Sample Template 1", "Start with Sample Template 2", or "Start with Sample Template 3").
  • Auto-Fill Textarea: The chosen template's content will automatically fill the textarea, which you can then modify or use as is.

Download Options

Click the "Download Letter" button after composing your letter. This triggers a download of a file containing the content of your letter.

Share via Email

Click the "Share via Email" button after composing your letter. Your default email client will open a new message window with the subject "Sharing My Draft Letter" and the content of your letter in the body.

Share via WhatsApp

Click the "Share via WhatsApp" button after you've composed your letter. Your default browser will open a new tab prompting you to send the letter as a message to a contact on WhatsApp.

Copy to Clipboard

If you want to copy the text of your letter to the clipboard:

  • Copy to Clipboard: Click the "Copy to Clipboard" button after composing your letter.
  • Paste Anywhere: You can then paste the copied text anywhere you need, such as into another application or document.

For printing the letter directly from the browser:

  • Print Letter: Click the "Print Letter" button after composing your letter.
  • Print Preview: A new browser window will open showing your letter formatted for printing.
  • Print: Use the print dialog in the browser to complete printing.


  1. How should I address my boss in an apology letter for not completing work?
    • Begin with "Respected Sir/Madam" or "Dear [Boss's Name]" to show respect and professionalism.
  2. Is it important to provide a clear explanation for the incomplete work in the apology letter?
    • Yes, offering a transparent explanation helps your boss understand the situation and the reasons behind the delay.
  3. Should I propose a deadline for completing the unfinished task in the apology letter?
    • Yes, it's crucial to assure your boss that you are committed to completing the work and specify a realistic deadline for its submission.
  4. How should I express my regret for the inconvenience caused by the incomplete work?
    • Use polite and sincere language to convey your regret and apologize for any inconvenience or disruption caused by the delay.
  5. Is it appropriate to express gratitude for understanding and patience in the apology letter?
    • Yes, expressing appreciation for your boss's understanding and patience demonstrates humility and professionalism.

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