New features in the latest update (August 2017)
- You can now resize your message list in Mail.
- When you receive a new email with images attached or inserted into the message body, you'll see a preview in the message list (Outlook.com and Office 365 accounts only).
- Sort your message list by sender name for Outlook.com and Office 365 accounts by selecting the appropriate filter in the drop down menu of the message list.
- Search results are now grouped by conversation, making it easier to find what you're looking for.