How to Bold Text in iPhone Emails: A Step-by-Step Guide

Bolding text in your iPhone emails can give emphasis to your message and make it stand out. It’s a simple process that involves selecting the text you want to bold and then tapping the "B" icon. Let’s get into the nitty-gritty of how to do it.

Step by Step Tutorial on How to Bold Text in iPhone Emails

Before we dive into the steps, let’s understand what we’re aiming to achieve. Bolding text in your iPhone emails can help you highlight important information or just add a bit of flair to your message. It’s easy to do and only takes a few taps.

Step 1: Open your Mail app and create a new email or reply to an existing one.

When you’re ready to bold some text, start by opening the Mail app on your iPhone and either creating a new email or replying to one you’ve received.

Step 2: Type your message or select the text you want to bold.

If you’re starting from scratch, type out your message. If you want to bold text in a message you’ve already written, or in text from the email you’re replying to, just tap and hold the text to bring up the selection tool.

Step 3: Tap the "BIU" button.

Once you’ve selected the text you want to bold, tap the "BIU" button, which stands for Bold, Italics, Underline. It’s located in the formatting bar above the keyboard.

Step 4: Tap "Bold" from the menu that appears.

After tapping the "BIU" button, a small menu will pop up. From there, just tap "Bold," and voilà, your text will be bolded.

After you’ve completed these steps, your selected text will be bolded in your email. It’s a simple way to make certain parts of your message stand out.

Tips for Bold Text in iPhone Emails

  • Keep in mind that not all email recipients can see bold text. Some email clients strip out formatting.
  • Use bold text sparingly to avoid making your email look cluttered.
  • Consider combining bold text with other formatting options like italics or underline for extra emphasis.
  • Remember that too much bold text can make an email hard to read, so use it judiciously.
  • If the recipient’s email client doesn’t support bold text, they will still see the text, just not in bold.

Frequently Asked Questions

Can I bold text in all email apps on my iPhone?

No, not all email apps support text formatting. The native Mail app on iPhone does, but some third-party apps might not.

Will bold text show up on all devices?

Bold text should show up on most devices and email clients, but there’s no guarantee. Some older devices or clients might not support text formatting.

Can I undo bold formatting in an iPhone email?

Yes, just select the bolded text and tap the "BIU" button again, then "Bold" to remove the formatting.

Can I bold specific words or do I have to bold the whole sentence?

You can bold as little as one letter or as much as the entire email. It’s up to you.

Does using bold text in emails affect the way my message is received?

It can. Bolding text can make your message clearer by emphasizing important points, but overusing it can make your email look aggressive or difficult to read.


  1. Open your Mail app and create or reply to an email.
  2. Type your message or select the text to bold.
  3. Tap the "BIU" button.
  4. Choose "Bold" from the menu.


Whether you’re sending a professional email or just chatting with friends, knowing how to bold text in iPhone emails can be a game-changer. It’s a small detail that can have a big impact on the way your message is received. With the simple steps outlined above, you can easily add emphasis to your emails, ensuring that the most important points don’t go unnoticed. Just remember to use this feature wisely. Overdoing it can have the opposite effect, making your emails less readable and potentially overwhelming your recipients. Like any good seasoning, bold text is best used in moderation. So go ahead, give your emails a little extra oomph – just make sure it’s the right amount.

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