AI email writer

The Readdle Team
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Definition

💡 AI email writer: Software that uses artificial intelligence to write emails for you. Type a few words about what you need, and it generates a full draft. Or it can rewrite what you've already written to sound more professional, friendly, or concise.

What does an AI email writer do?

Ever stared at a blank email for way too long? AI email writers fix that.

The tool analyzes what you're trying to say (or gives you a starting point if you're stuck) and generates actual sentences. Not templates. Not fill-in-the-blank forms. Full paragraphs that sound like a human wrote them. Some can match your tone, pull context from the email thread you're replying to, or adjust formality based on who you're writing to.

Here's what makes this useful: speed. According to research from McKinsey, professionals spend about 28% of their workweek managing email. AI writing tools can cut that time significantly by handling the first draft. You tweak it, add personal details, hit send. Done in two minutes instead of 10.

And it's not just about being faster. These tools help you write better emails. Need to deliver tough feedback without sounding harsh? Ask the AI to soften your tone. Want to make a sales pitch more persuasive? It'll tighten your language and add a stronger call to action. Think of it as having an editor built into your email client.

How does an AI email writer work?

You've got a few different approaches depending on the tool.

Generative AI models (like GPT-4 or Claude) power most modern email writers. You give them a prompt ("write a follow-up email asking about the proposal"), and they generate original text based on patterns learned from massive datasets. The better your prompt, the better the output. These models can write in different styles, languages, and tones.

Template-based AI blends automation with customization. The AI pulls from pre-written structures but fills in specific details based on your input. Less flexible than generative models, but faster and more consistent for repetitive emails like out of office messages or meeting confirmations.

Smart Reply systems (like Gmail's Quick Replies) predict short responses based on the email you received. They're not writing full emails, just suggesting one-line answers like "Sounds good!" or "I'll check and get back to you." Quick but limited.

Most AI email writers also include editing features. Feed them your draft, and they'll rewrite it to be shorter, more formal, friendlier, or clearer. Some can even translate your email into another language while keeping the tone intact.

How to use an AI email writer

Using these tools varies by platform, but the workflow is pretty similar.

In Gmail (with extensions):

  • Install an AI writing extension like Compose AI or ChatGPT for Gmail
  • Open a new email and hit Compose
  • Click the extension icon (usually appears near the compose window)
  • Type your prompt or select a function like "rewrite" or "make professional"
  • Review the generated text and edit as needed
  • Copy it into your email or let the extension insert it directly

In Outlook (with Microsoft Copilot):

  • Open Outlook and start a new email
  • Click the Copilot icon in the toolbar
  • Choose Draft with Copilot or type a prompt
  • Describe what you want the email to say
  • Review the AI-generated draft
  • Click Keep it to insert, or ask Copilot to adjust tone or length

In Spark (with Spark +AI Compose on macOS):

In Spark, you can generate drafts using +AI Compose.  Whether you want to write a new email quickly, edit an existing draft, or generate Quick Replies, you can do it all with Spark +AI. 

To generate a new draft: Open Spark composer.

  • Click the Generate a Draft button.
  • Type a prompt, for example, if you urgently need to reschedule the meeting: “Propose a different meeting time and apologize for the last-minute change”.
  • Click the arrow to generate text.
  • Press the … icon to view More +AI Preferences.
  • Select the preferred option to adjust the generated text.

You can find guidelines on how to set up Spark +AI Compose on other platforms here: https://sparkmailapp.com/help/spark-ai/write-new-emails-and-edit-drafts-with-ai-compose 

Best practices

Edit before sending. AI writes fast, but it doesn't know your specific situation. Always review for accuracy, tone, and context. Blindly sending AI-generated emails is how you end up with awkward phrasing or factual errors.

Be specific in your prompts. "Write an email" gets you generic output. "Write a two-paragraph email thanking Sarah for her feedback on the Q4 proposal and asking if she's available for a call next Tuesday" gets you something useful.

Use it for first drafts, not final copies. Let the AI handle the blank page problem, then add your personality. Real emails sound human because they include small details, genuine questions, and personal references. AI can't fake that.

Don't rely on it for sensitive topics. Delivering bad news, handling conflicts, or discussing confidential matters? Write those yourself. AI lacks the nuance and empathy these situations require.

Check for hallucinations. AI sometimes invents facts or makes assumptions. If your email includes specific data, dates, or commitments, double-check them before sending.

Adjust tone manually when needed. AI can switch between formal and casual, but it doesn't always nail the right level. Read your draft out loud. If it sounds off, tweak it.

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The Readdle Team
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