How to Bold Text on iPhone 15: A Step-by-Step Guide

Bolding text on your iPhone 15 is a simple task that can be done within a few steps. Whether you’re writing an email, composing a message, or taking notes, knowing how to bold text can help emphasize important information. By the end of this article, you’ll be able to bold text like a pro!

How to Bold Text on iPhone 15 Tutorial

Before diving into the step-by-step process, it’s essential to know that bolding text on your iPhone 15 can enhance your typing experience, making it easier for your reader to understand the key points you’re emphasizing. Follow these steps, and you’ll be on your way to mastering text formatting on your device.

Step 1: Select the Text

Tap and hold on the text you want to bold until the selection tool appears.
Selecting the text is the first step in the process. Drag the handles to adjust your selection if needed. Make sure you’ve selected only the text you want to bold.

Step 2: Access the Formatting Options

Tap on the "BIU" button that appears in the pop-up menu.
The "BIU" button stands for Bold, Italic, and Underline. This is the gateway to your text formatting options on your iPhone 15.

Step 3: Choose "Bold"

From the formatting menu, tap on "Bold" to apply the bold formatting to your selected text.
Once you tap "Bold," you will immediately see your selected text change to bold font. It’s that easy!

After completing these steps, your selected text will now be bolded, making it stand out from the rest of your text. This can be particularly useful when you want to draw attention to a specific word or phrase.

Tips for Bolding Text on iPhone 15

  • Double-tap a word to quickly select it for formatting.
  • Use bold text sparingly for maximum impact.
  • Remember that not all apps support text formatting.
  • You can also bold text by tapping the "Aa" icon in some apps.
  • To unbold text, simply follow the same steps and tap "Bold" again to remove the formatting.

Frequently Asked Questions

How do I bold text in an email on my iPhone 15?

Tap and hold the text in the email body, select "BIU," and tap "Bold" to apply the formatting.

Can I bold text in any app on my iPhone 15?

Not all apps support text formatting. Check the app’s features or look for the "BIU" button while editing text.

Is it possible to bold only part of a word?

Yes, you can adjust the selection handles to include only part of a word when applying bold formatting.

Will bolding text sync across my Apple devices?

If the app supports iCloud sync and text formatting, your bolded text should sync across your devices.

Can I use keyboard shortcuts to bold text?

No, there are no keyboard shortcuts for text formatting on the iPhone 15’s on-screen keyboard.


  1. Select the text you want to bold.
  2. Tap on the "BIU" button in the pop-up menu.
  3. Choose "Bold" from the formatting options.


Bolding text on your iPhone 15 can significantly enhance the way you communicate through text. Whether you’re trying to make a statement, highlight a crucial piece of information, or just want to add some flair to your messages, knowing how to bold text is a valuable skill. With the steps outlined in this article, you’ll be able to do so with ease and confidence.

Take advantage of the tips provided to make the most of your text formatting capabilities. And remember, while not all apps may support text formatting, the majority of Apple’s native apps, like Mail and Notes, do. So go ahead, give it a try and see how bold text can change the way you express yourself on your iPhone 15.

If you run into any issues or have further questions, the FAQ section should cover most of your concerns. But don’t be afraid to explore and experiment on your own. After all, the best way to learn is by doing. Now that you’re equipped with this knowledge, go ahead and make your mark—boldly!