Now, write the email that you want the person to receive.ĥ. You can include a subject line if you’d like. In the “To” part at the top of the screen, you need to type the email address of the person you’re sending the email to. When you click this, you will be taken to a screen where you can write the email. If you’re composing a new email to send, then you will need to click the blue Compose button in the upper left corner of the screen. Choose the email that you want to reply to with larger font.Ĥ. You will now be on the Inbox screen of your email. Log into your email account with your email and password.ģ. You can do this on your browser or on your phone.Ģ. Below you will find how to increase the size of the font in the Yahoo mail that you’re sending.ġ. You will have a number of options in Yahoo mail and you will also be able to see what it will look like before you send it. If you know that the person you’re sending the email to is going to have some trouble reading it, there is a way for you to increase the size of the font in the email. You begin to get worried that the person that you’re sending this email to won’t be able to read it without difficulty. You’re writing an email to someone you know when you feel yourself squinting at the screen to read the text.