240+ Clever & Clean Practical Jokes for Work That Are Office-Safe

Change their default printer to one across the building.

Replace printouts with “You’ve been hacked by IT.”

Print an official-looking notice: “Color ink banned to save the whales.”

Send random spreadsheets with nothing but cat names.

Set their print jobs to delay by 3 minutes — suspense!

Print a daily “Fortune Cookie Office Wisdom” slip.

Replace the paper tray with colored paper — mystery reports!

Swap their print setting to “mirror image.”

Print a life-sized image of their face and tape it to the copier.

Fill the paper tray with ancient memes.

Place a tiny Post-it note over the bottom sensor.

Invert the mouse scroll settings.

Plug in a second hidden mouse and control it remotely.

Replace their mousepad with one that says “404: Surface Not Found.”

Move their mouse slightly throughout the day.

Tape a googly eye to the sensor — total confusion.

Use duct tape to make their mouse heavier.

Swap left- and right-click settings.

Replace their mouse with an identical-looking prop.

Put jelly under the mouse — mystery slime.

Rearrange the keys to spell “I QUIT.”

Auto-replace common words (e.g., “yes” becomes “YAAAS”).

Insert canned responses in autocorrect — chaos in every email.

Change keyboard language to French.

Tape a message under the keyboard: “You type beautifully.”

Put their keyboard in Jell-O (a classic).

Replace their keyboard with a fake one and hide the real one.

Loosely tape a spring under one key — the pop-up key prank.

Use an air duster to mimic the sound of typing.

Stick googly eyes under each keycap.

Screenshot their desktop and set it as wallpaper. Then hide icons.

Flip the screen orientation (Ctrl + Alt + Arrow key).

Set the desktop background to a cracked screen image.

Use a celebrity photo as their profile pic.

Replace their desktop icons with pictures of sandwiches.

Make their cursor a glittering unicorn.

Set the screensaver to “I’m Watching You.”

Fill the desktop with identical folders labeled “DO NOT OPEN.”

Rename their Recycle Bin “Documents.”

Change the mouse cursor to a potato.

Tape their pens to the desk.

Fill their drawer with rubber ducks.

Swap all black pens with red ones — corporate chaos.

Glue caps shut on markers.

Replace their stapler with one that’s out of staples forever.

Move all paper clips one inch to the left.

Replace tape with clear plastic wrap.

Put googly eyes on everything.

Tape a “Voice Activated” sign on the shredder.

Fill the hole punch tray with glitter.

Lower their chair every time they get up.

Wrap the chair in cling film.

Replace the chair with a yoga ball.

Tape a whoopee cushion under the seat.

Put a sign on the back: “FREE HUGS.”

Switch the chair with a child-sized one.

Cover the chair with Post-it notes.

Attach bells under the seat.

Swap wheels with square ones (just joking — or are we?).

Tape a photo of Nicolas Cage to the bottom.

Flip the phone upside down.

Record a fake voicemail greeting: “Hi, you’ve reached Pizza Hut…”

Set ringtone to something ridiculous — like goats screaming.

Add a speed dial to Rick Astley.

Tape over the speaker with bubble wrap.

Change the voicemail language to Klingon.

Unplug the phone slightly — cue confusion.

Put a rubber band around the receiver.

Leave anonymous Post-its saying “He knows.”

Program “Meow” as their caller ID.

Fill their cubicle with balloons.

Cover everything in aluminum foil.

Wrap the whole desk in gift wrap.

Set up a fake “invisible wall” with clear plastic wrap.

Replace their photos with pictures of llamas.

Build a “shrine” to their favorite snack.

Fill their drawer with fake spiders.

Replace all their framed photos with Nicolas Cage.

Cover their chair in sticky notes.

Put fake crime scene tape around their cubicle.

Replace their water with gelatin.

Put googly eyes on everything in the fridge.

Switch the coffee with decaf.

Replace their lunch with a note that says “STOLEN.”

Add a raisin in their drink — call it “boba.”

Hide a doughnut in the paper tray.

Wrap their sandwich in 5 layers of boxes.

Label everything in the fridge with someone else’s name.

Put a note in the coffee pot: “Do not trust her.”

Fill their mug with fake bugs.

Schedule fake meetings at 4AM (and cancel them).

Add a recurring event: “Stare at the wall.”

Rename all meetings to “Mandatory Fun.”

Set a reminder: “Tell Janet she’s glowing.”

Add holidays like “Taco Hat Tuesday.”

Replace team meeting titles with movie names.

Send them invites from their “alternate self.”

Set a calendar alert: “The squirrels are watching.”

Change meeting locations to absurd places (e.g., “Under your desk”).

Invite them to “the void.” Accept it yourself.

Set their email signature to “Head of Sandwich Operations.”

Auto-replace “Regards” with “Rawr 🐯.”

Mark every message they send as “High Priority.”

Send a calendar invite titled “Time to Blink.”

Add yourself to their email drafts list. Just to watch.

Add quotes like “Always Watching – IT Dept.” in their signature.

Change email font to Comic Sans — boss mode.

Create a filter to move all emails from “Steve” into Spam.

Send them “urgent” tasks from a fake manager.

Set up fake out-of-office replies with pirate speak.

Label the hand dryer “Voice Activated.”

Put googly eyes on all the soap dispensers.

Replace the air freshener with popcorn-scented spray.

Tape “Occupied” signs on every stall — all day.

Hide a speaker in the stall playing elevator music.

Leave fake footprints facing the toilet — and nowhere else.

Put “Singing Toilets Under Repair” signs on the door.

Put fake bugs in the soap tray.

Add labels to coffee pods: “May cause time travel.”

Tape “Decaf Only Today” to the coffee machine. Panic.

Plug a Bluetooth speaker into their computer. Play random sounds.

Change their volume settings to max — only for error beeps.

Replace notification sounds with goat bleats.

Change Spotify playlist names to weird confessions.

Turn the volume up gradually every 10 minutes.

Add “The Office Theme Song” to their wake-up alarm.

Replace keyboard sounds with “moo.”

Turn off sound drivers, then pretend to troubleshoot.

Add a mic filter that makes their voice sound helium-infused.

Rename their headphones: “The CIA Is Listening.”

Send them a “mystery box” with a single rubber band.

Fill a box with packing peanuts and one grape.

Wrap a fake Amazon package that says “Exploding Whistle Collection.”

Leave a package labeled “LIVE TARANTULAS – DO NOT SHAKE.”

Deliver a box of bubble wrap — just bubble wrap.

Leave a huge box on their desk labeled “Mini USB.”

Fill a box with confetti and say “It’s your promotion!”

Pack a box with air and a Post-it that reads “Just in case.”

Wrap their office supplies like presents. All of them.

Leave a note: “You missed your delivery from Hogwarts.”

Write “Don’t trust the printer” on a sticky note. Don’t explain.

Walk past them every hour and say, “Still no sign.”

Send emails with cryptic subject lines like “The prophecy begins.”

Leave anonymous motivational quotes on their desk daily.

Switch their chair with an identical one — slightly shorter.

Play white noise from a hidden speaker. Deny it.

Post signs in the kitchen: “Microwave privileges revoked.”

Move their stapler 1 inch daily.

Write “You’ve changed” on their whiteboard.

Compliment them on something they didn’t do.

Plug in a second wireless keyboard.

Rename their Wi-Fi to “FBI Surveillance Van.”

Replace their desktop wallpaper with a still from The Office.

Replace autocorrect entries with Shakespeare quotes.

Install Clippy as a Chrome extension.

Add a fake USB rubber duck.

Add autocorrect so “meeting” = “meating.”

Swap their monitor input to a different source.

Place a “Voice Control Activated” label on their monitor.

Put a message on their lock screen: “You are being watched. 🕵️‍♂️”

Rename their desktop files “Absolutely Not Important.”

Add “CEO of Bananas” to their email signature.

Set their away message to “Plotting world domination.”

Replace their framed certificates with joke awards.

Cover their mouse with a sticky note that says “Think faster.”

Hide their chair. Leave a note: “Chair took a personal day.”

Fill their office with stress balls.

Add “Meeting with Clippy” to their calendar.

Tape up a sign: “Do Not Disturb: Napping.”

Change their ringtone to elevator music.

Replace their plant with a plastic version. See if they notice.

Label their plant “Intern in disguise.”

Add googly eyes to every desk item.

Create a mini jungle on their desk.

Tape plastic bugs under plant leaves.

Add glitter to the soil — sparkly growth!

Replace potting soil with coffee grounds.

Create a fake bonsai with twigs and dental floss.

Replace desk lamp bulb with colored one.

Put a note in their plant: “You’ve been chosen.”

Schedule a “walking meeting.” Around the same table.

Bring a kazoo and act like it’s normal.

Speak only in corporate buzzwords.

Set your Zoom background to a tropical island.

Fake a frozen Zoom screen.

Rename yourself “Guest_42” on Zoom.

Only respond with “Can you repeat the question?”

Make Bingo cards out of office clichés.

Wear sunglasses and say you’re “deep in thought.”

Set every meeting reminder to “Prepare for battle.”

Cover desk with fake cobwebs in July.

Create a fake “Secret Santa” list in April.

Replace candy canes with hot dogs.

Fill Easter eggs with office supplies.

Add a tiny tree to every cubicle — year-round.

Put a stocking on their chair in August.

Create Valentine’s cards from “The Printer.”

Hand out fake coupons from “HR Claus.”

Hang mistletoe above the coffee maker.

Leave fake carved pumpkins that spell “You’re Fired.” (Kidding!)