If you do not to print the picture, then Web (150 ppi) is the most-suitable resolution.

Choose the compression options and click OK.

Go to Format tab and choose Picture Tool, here select the Compress Pictures under the Adjust group.

To reduce the size of the mail further, you can compress the whole image that maintains the dimensions of the image, but reduces the quality.

If you want to fix the image to a definite size, then you can go to Format tab and choose the crop option and mention the length and width of the image.

You can use such handles to resize the image.

When you add the image in the body, then it shows the size changing handles at the corners of the image.

Browse the image and include it in the email body.

Go to illustrations category and click Pictures.

The easier method to put the image in the email is to attach the image directly in the body of the email and then stretch is suitably. The benefit of putting a restriction on the total size of the mailbox makes the overall mailbox more sizeable because the sent mails are present in the sent items folder within the mailbox. You can not only resize the image, but put a restriction on the total size of the mailbox. If you are also concerned about the size of the images in your email, then Outlook offers some inbuilt methods that you can use to resize the image easily. Sometimes, the receivers do not get the email due to a large-sized image in the email. Many email clients offer a limited size to the email to make it more manageable. You can enlarge it to make it more visible or compress a large image to reduce the size of overall email.

If you want to incorporate images in the sending emails, then you can adjust its size within the email body easily. The core objective of all these accounts is to send and receive emails, so the email-based features are also better than other email clients.

Multiple Outlook accounts can be managed in the single Outlook application and work independently. MS Outlook offers the best-suited features for the email communication and supports all types of email accounts like Exchange, Microsoft 365, IMAP, SMTP, POP, etc.

How to resize photos on mac for email