If you have a lengthy list of emails and also you’re having problem distinguishing amongst the specific e-mails in your checklist, you can select a grid line design to show in between each of the emails. This can boost the exposure of each e-mail in your checklist.
To alter this setting, initially see to it the Mail module is active. If not, click the Mail web link at the end of the Outlook window. Then, click the View tab.
Click View Settings in the Current View section of the View tab.
On the Advanced View Settings dialog box, click Other Settings.
Select a choice from the Grid line style drop-down checklist in the Grid Lines as well as Group Headings section of the Other Settings dialog box.
KEEP IN MIND: You can also choose not to separate emails by day by picking the Show things in Groups check box so there is NO check mark in the box.
Click OK.
Click OK on the Advanced View Settings dialog box to shut it.
Your picked grid line style should show as separators between each email in your checklist.
Notice that when you choose an e-mail, a populated line displays around the e-mail. That can be one more method to distinguish an email from others, also. If you have the Reading Pane switched off (in the Layout area of the View tab), it does no injury to pick an e-mail to call it out in the list.