How to Reply to This Message: A Step-by-Step Guide

What You’ll Need

The message you want to reply to (open on your phone or computer)
The app or platform it came through (e.g., SMS, WhatsApp, Gmail, Facebook Messenger)
A working keyboard or touchscreen to type

Step-by-Step

Open the message – Tap the notification or open the app and find the conversation. If it’s an email, click on the subject line to open it.
Locate the reply box – Look for a text field at the bottom of the chat (for messaging apps) or a “Reply” button/link at the top or bottom of an email. In most apps, it’s a bar that says “Type a message” or a pencil icon.
Tap or click the reply box – This will bring up your keyboard or cursor. If you’re on a desktop email, click the “Reply” button to open a compose window.
Type your response – Write what you want to say. Keep it clear and direct. If you’re replying to a specific question, answer it first. Use proper spelling and punctuation, but match the tone of the original message.
Add attachments if needed – If the message asks for a photo, document, or file, look for a paperclip or plus icon to attach it. This is common in email and some messaging apps.
Send your reply – Press the send button (usually a paper plane icon or the word “Send”). For emails, click “Send” at the top or bottom of the compose window. Your reply will be delivered instantly.

Common Mistakes

Replying to the wrong person – In group chats or forwarded emails, double-check the recipient before hitting send. Use “Reply All” only when everyone needs to see your response.
Not reading the original message fully – Skimming can lead to missing a question or request. Read the entire message once before typing.
Forgetting to attach a file – If you promised to send a photo or document, attach it before you hit send. Many apps will remind you if you mention “attached” but forget.
Using the wrong tone – Text lacks tone, so sarcasm or jokes can be misunderstood. Be literal and polite, especially in professional emails.
Hitting “Reply All” accidentally – This sends your response to everyone on the thread, which can be embarrassing. Check the recipient line before sending.

Tips

Use the subject line for emails – If the original email had a subject, keep it. Change it only if the topic shifts significantly, and then use “Re:” to show it’s a reply.
Quote the relevant part – In long email threads, highlight the specific question you’re answering. Many email apps let you select text and click “Reply” to quote it.
Reply promptly – Aim to respond within 24 hours for personal messages and within 1-2 business days for work emails. If you can’t answer fully, send a quick “Got it, will reply later.”
Use voice input if typing is slow – On smartphones, tap the microphone icon to dictate your reply. This is faster for long messages.
Preview before sending – On desktop, hover over the send button to see a preview of your message. On mobile, read it once in the text box before hitting send.

Troubleshooting

No reply box visible – If you don’t see a text field, you might be viewing a read-only message (e.g., a broadcast from a business). Look for a “Reply” button or a “Comment” field. In some apps, you need to tap the message itself to open a reply option.
Send button is grayed out – This usually means your message is empty or you haven’t typed anything. Type something first. If it’s still gray, check if you have an internet connection.
Message fails to send – Check your internet or cellular connection. Try again after a few seconds. If it persists, restart the app or your device.
Accidentally sent a reply to the wrong person – Most apps don’t let you unsend, but some (like Gmail) have an “Undo” feature. If you’re in a work email, immediately send a follow-up apologizing and clarifying. For personal messages, a quick “Oops, that was meant for someone else” works.
Can’t find the reply button in an email – In Gmail, it’s a left-pointing arrow at the top of the message. In Outlook, it’s a “Reply” icon in the toolbar. If you’re using a mobile app, look for a curved arrow icon.

Frequently Asked Questions

What is the difference between Reply and Reply All?

Reply sends your message only to the original sender. Reply All sends it to the sender and everyone else on the email thread. Use Reply All only when your response is relevant to all recipients.

How do I reply to a specific message in a group chat?

In most messaging apps, long-press (on mobile) or right-click (on desktop) the specific message you want to reply to, then select “Reply.” This attaches your response to that message, making it clear what you’re addressing.

Can I reply to an email without changing the subject line?

Yes. The subject line is automatically kept when you hit “Reply.” You can change it if you want, but it’s best to keep it the same for context, especially in long threads.

How do I reply to a message on Instagram or Facebook?

Open the conversation, tap the message you want to reply to (on Instagram, swipe right on it), and type your response. On Facebook, just type in the text box at the bottom. You can also use emojis or reactions.

What if I want to reply anonymously?

On most platforms, you can’t hide your identity when replying. If you need to stay anonymous, create a separate account or use a service that allows anonymous messaging (like some forums). However, always respect the platform’s terms of service.

How do I reply to a message with a photo or video?

In messaging apps, look for a plus icon or a photo/video icon next to the text box. Tap it, select the file from your device, and send. In email, use the paperclip icon to attach a file.

Sources: Apple Support. Menus and buttons can differ slightly by version. Spotted something out of date? Tell us.