📋Table of Contents
- Tip 1: How to Draw a Line Fast (Magic Shortcut)
- Tip 2: How to Show or Hide Ruler in Word
- Tip 3: Change Measurement Unit (Inches to Centimeters)
- Tip 4: Show Text Boundaries (Page Margin Outline)
- Tip 5: Fix Auto Capitalize First Letter of Sentence
- Tip 6: How to Change Author Name in Microsoft Word
- Tip 7: How to Change Theme of Microsoft Word (Dark Mode)
- Tip 8: Change AutoSave / AutoRecover Frequency
- Tip 9: Fast Undo and Repeat Last Action
- Tip 10: Watch Video Tutorial (Khmer)
- Summary Checklist
Hello everyone! Today I show you 10 super useful Microsoft Word tips and tricks that every computer user should know!
These settings and hidden shortcuts will make your document typing much faster, protect your work from power outages, and customize Word to look exactly how you want. Let go learn!
Tip 1: How to Draw a Line Fast (Magic Shortcut)
Stop drawing shapes manually when you just need a dividing line! Try this:
- Type
---(3 hyphens) and pressEnter$\rightarrow$ draws a thin horizontal line. - Type
===(3 equal signs) and pressEnter$\rightarrow$ draws a double line. - Type
***(3 asterisks) and pressEnter$\rightarrow$ draws a dotted line. - Type
###(3 hashes) and pressEnter$\rightarrow$ draws a thick triple line.
> 💡 Tip: To remove the line if you change your mind, press Ctrl + Z immediately or click Home => Borders => No Border!
Tip 2: How to Show or Hide Ruler in Word
The ruler helps you see page margins, tab stops, and indentations.
- Go to View tab on top ribbon.
- In the Show group, check the box for Ruler.
- Horizontal and vertical rulers appear on your document screen!
> 💡 Tip: Double click anywhere on the top ruler to open the Page Setup dialog box instantly!
Tip 3: Change Measurement Unit (Inches to Centimeters)
By default, Word often uses Inches. Change it to Centimeters for easier Cambodian paper setup:
- Go to File menu => click Options (at the bottom).
- Click Advanced tab on the left.
- Scroll down to the Display section.
- Find Show measurements in units of: and change from Inches to Centimeters.
- Click OK.
> 💡 Tip: Setting unit to Centimeters makes setting 2.54 cm margins very easy for official university & government documents!
Tip 4: Show Text Boundaries (Page Margin Outline)
Want to see light dotted guidelines around your page text area so you know where your typing ends?
- Go to File => Options => Advanced.
- Scroll down to Show document content section.
- Check the box for Show text boundaries.
- Click OK.
> 💡 Tip: Text boundaries show you the exact printable box area without appearing on final printed paper!
Tip 5: Fix Auto Capitalize First Letter of Sentence
If Word automatically capitalizes the first letter when you type Khmer or English words and you dislike it:
- Go to File => Options => Proofing.
- Click AutoCorrect Options... button.
- Uncheck Capitalize first letter of sentences.
- Uncheck Capitalize first letter of table cells (if you type inside tables).
- Click OK.
> 💡 Tip: This prevents Word from automatically turning lowercase letters into UPPERCASE every time you hit space!
Tip 6: How to Change Author Name in Microsoft Word
Change the default author name attached to your document properties:
- Go to File => Options => General.
- Scroll down to Personalize your copy of Microsoft Office.
- Type your full name into the User name: box.
- Check Always use these values regardless of sign in to Office.
- Click OK.
> 💡 Tip: This updates the author info for all future Word documents you create!
Tip 7: How to Change Theme of Microsoft Word (Dark Mode)
Protect your eyes when working late at night:
- Go to File => Account (or File => Options => General).
- Look for Office Theme.
- Choose Dark Gray, Black (Dark Mode), or Colorful.
> 💡 Tip: Choosing Black theme turns the whole Word ribbon dark to reduce eye strain!
Tip 8: Change AutoSave / AutoRecover Frequency
Prevent losing hours of work when computer crashes or power goes out:
- Go to File => Options => Save.
- Make sure Save AutoRecover information every is checked.
- Change time from
10minutes down to1minute! - Click OK.
> 💡 Tip: Now Word saves a backup snapshot of your file every 60 seconds automatically!
Tip 9: Fast Undo and Repeat Last Action
- Press
Ctrl + Zto Undo your last mistake. - Press
Ctrl + Y(orF4) to Repeat your last action (like applying bold or highlight color again)!
> 💡 Tip: F4 key is a secret weapon! Format one sentence, select another sentence, and hit F4 to repeat the exact formatting!
📺 Tip 10: Watch Video Tutorial (Khmer)
Watch the complete video breakdown of all 10 tips step-by-step:
Summary Checklist
- Line Shortcut —
---+Enterfor instant line. - AutoSave — change to 1 minute in
File => Options => Save. - Ruler & Text Boundary — turn on in
ViewandFile => Options => Advanced. - Repeat Action — press
F4to repeat last format.
> 💡 Tip: Apply these 10 tips today to save time and work like a pro in Microsoft Word!

Rean Computer 101
Sharing step-by-step Microsoft Word tutorials, Khmer document formatting guides, office templates, and productivity keyboard shortcuts.