How to insert vertical lines in Outlook?
It is definitely easy to separate message contents with horizontal lines or vertical lines in Microsoft Outlook. You can insert horizontal lines quickly with the "Border" > "Horizontal line" feature. But how about vertical lines? Actually there are also a couple of tricks to insert vertical lines in your email messages easily.
Insert vertical lines with Line shape in Outlook
Insert vertical lines with table in Outlook
Insert vertical lines with Line shape in Outlook
The Shapes feature can help you draw a vertical line in your email messages easily. And you can do it as follows:
Step 1: Create a new email message:
- In Outlook 2007, click the "File" > "New" > "Mail Message".
- In Outlook 2010 and 2013, please click the "New Email" button in the "New" group on the "Home" tab.
Step 2: Click the "Shapes" > "Line" in the "Illustration" group on the "Insert "tab.

Step 3: Now the cursor change to a cross , please click and drag to draw a vertical line with holding down the "Shift" key at the same time.
Then it draws a vertical line in your email messages at once. See the following screen shot:

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Insert vertical lines with table in Outlook
There is another trick to insert vertical line with the "Table" feature.
Step 1: Insert a "1x1 Table" with clicking the "Table" button in the "Table" group on the "Insert" Tab.

Step 2: Select this 1x1 Table, and change its width and height according to your needs.

Step 3: Go to the "Paragraph "group on the "Format Text" tab, and remove the bottom/top/left borders of this table with clicking the "Border button" > "Bottom Border"/ "Top Border"/ "Left Border".

Then it keeps only the right border of this 1x1 Table, which looks like a vertical line in your email message.
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