Reading your messages is no longer a strain on your eyes. Ensure you don’t miss a detail by choosing the font size that suits you best. Anytime you want, you can modify it again.

Default font size is Small, and medium and large are the other two options. Make sure your eyes are comfortable with the size you choose.
Attachments, images, and files cannot be resized when the message text is changed.
The following section discusses how to adjust the font size on iOS devices using Dynamic Type to select the font size you prefer.
Windows
- Then click on the settings icon next to your profile picture, and then select Accessibility from the options list.
- You can select a font size for your messages in the Font size for messages section by dragging the slider to the desired size.
- Click the Save button once you have finished.
The following keyboard shortcuts will allow you to adjust the font size quickly:
There is a chance that the font size you selected before you restart the app or exit the app will be remembered if you do so.
Mac
- In the Preferences menu, click Accessibility, and then click your profile picture.
- In the Font size for messages section, you can select the size you prefer by dragging the slider to the desired location.
- Click the Save button once you have finished.
Alternatively, you can use keyboard shortcuts to quickly change the font size to suit your needs:
There is a chance that the font size you selected before you restart the app or exit the app will be remembered if you do so.