Skip to main content

How to insert vertical lines in Outlook?

Author: Kelly Last Modified: 2025-04-17

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:

insert vertical lines in outlook 2

AI Mail Assistant in Outlook: Smarter Replies, Clearer Communication (one-click magic!) FREE

Streamline your daily Outlook tasks with the AI Mail Assistant from Kutools for Outlook. This powerful tool learns from your past emails to offer intelligent and accurate responses, optimize your email content, and help you draft and refine messages effortlessly.
doc ai email handle

This feature supports:

  • Smart Replies: Get responses crafted from your past conversations—tailored, precise, and ready to go.
  • Enhanced Content: Automatically refine your email text for clarity and impact.
  • Effortless Composition: Just provide keywords, and let AI handle the rest, with multiple writing styles.
  • Intelligent Extensions: Expand your thoughts with context-aware suggestions.
  • Summarization: Get concise overviews of long emails instantly.
  • Global Reach: Translate your emails into any language with ease.

This feature supports:

  • Smart email replies
  • Optimized content
  • Keyword-based drafts
  • Intelligent content extension
  • Email summarization
  • Multi-language translation

Best of all, this feature is completely free forever! Don’t wait—download AI Mail Assistant now and enjoy!


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".

insert vertical lines in outlook 5

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


Best Office Productivity Tools

Breaking News: Kutools for Outlook Launches Free Version!

Experience the all-new Kutools for Outlook FREE version with 70+ incredible features, yours to use FOREVER! Click to download now!

🤖 Kutools AI : Uses advanced AI technology to handle emails effortlessly, including replying, summarizing, optimizing, extending, translating, and composing emails.

📧 Email Automation: Auto Reply (Available for POP and IMAP)  /  Schedule Send Emails  /  Auto CC/BCC by Rules When Sending Email  /  Auto Forward (Advanced Rules)   /  Auto Add Greeting   /  Automatically Split Multi-Recipient Emails into Individual Messages ...

📨 Email Management: Recall Emails  /  Block Scam Emails by Subjects and Others  /  Delete Duplicate Emails  /  Advanced Search  /  Consolidate Folders ...

📁 Attachments ProBatch Save  /  Batch Detach  /  Batch Compress  /  Auto Save   /  Auto Detach  /  Auto Compress ...

🌟 Interface Magic: 😊More Pretty and Cool Emojis   /  Remind you when important emails come  /  Minimize Outlook Instead of Closing ...

👍 One-click Wonders: Reply All with Attachments  /   Anti-Phishing Emails  /  🕘Show Sender's Time Zone ...

👩🏼‍🤝‍👩🏻 Contacts & Calendar: Batch Add Contacts From Selected Emails  /  Split a Contact Group to Individual Groups  /  Remove Birthday Reminders ...

Use Kutools in your preferred language – supports English, Spanish, German, French, Chinese, and 40+ others!

Instantly unlock Kutools for Outlook with a single click. Don't wait, download now and boost your efficiency!

kutools for outlook features1 kutools for outlook features2