macOS Monterey Automatically Resizes Windows Moved to a Secondary Display

Wednesday June 9, 2021 7:13 am PDT by Joe Rossignol

Apple announced macOS Monterey this week, and one small but convenient feature that went unmentioned during the WWDC keynote is automatic window resizing.

Auto Resize in Monterey Feature 2
As explained on the macOS Monterey features page, windows now automatically resize when they are moved from a Mac's built-in display to a secondary display, including an external monitor, another Mac, or an iPad using Sidecar.

This feature should prove to be particularly useful when moving windows between a smaller MacBook display and a larger external monitor.

Another new window management feature in macOS Monterey is the option to display the menu bar at all times when an app is in full-screen mode, making it easy to view an app's various menus and other glanceable information at any time.

macOS Monterey is available now in beta for developers, with a public release likely to occur at some point between September and November.

Related Forum: macOS Monterey

Popular Stories

RIP, MacBook Ultra

Monday October 19, 2026 9:37 am PDT by Joe Rossignol

Apple today sent out invites for an experience in Los Angeles on Wednesday, October 28, and the "Pro and tell" tagline on the invitation likely means that the rumored MacBook models with touch-enabled OLED displays will stick with MacBook Pro branding instead of the once-rumored "MacBook Ultra" name. The long-rumored "iPhone Ultra" ended up being named iPhone Duo, so speculation that Apple...

• 158 comments

Here's What Apple's Apps Look Like on the iPhone Duo

Tuesday October 20, 2026 11:12 am PDT by Juli Clover

With just three days to go until the iPhone Duo is released, Apple is getting ready for the launch. Behind the scenes, the App Store now has screenshots of Apple's built-in apps running on the Duo. We've seen some apps in marketing materials, but images of the ones we haven't seen give us an idea of what it will be like using the iPhone Duo day to day. Many apps are shown in landscape...

• 115 comments

Apple Announcing New Products Next Week: 'Pro and Tell'

Monday October 19, 2026 9:05 am PDT by Juli Clover

Apple's Greg Joswiak today hinted at new product announcements coming next week, sharing a social media post that says "Can't wait to pro and tell next week." Rumors suggest Apple is planning to debut the new MacBook Pro with an OLED touchscreen display, an M6 entry-level MacBook Pro, an M6 iMac, an iPad mini with an OLED display. Can't wait to pro and tell next week....

• 124 comments

Top Rated Comments

ruka.snow

70 months ago

Menu bar on in full screen is going to be great. It is annoying having to slide back to a normal desktop to see the time or push the cursor up to the top.

Score: 11 Votes (Like | Disagree)

thekaiju

70 months ago

Will we be allowed to pin the dock to one monitor instead of having it jump around when we hover the pointer at the bottom of the screen?

Score: 7 Votes (Like | Disagree)

fwmireault

70 months ago

Wow so Apple can improve the UI with external displays on macOS? Incredible! They should talk with the iPadOS team about that!

Score: 7 Votes (Like | Disagree)

kbright1892

70 months ago

I just want applications to open on the same monitor I select them. I don't understand why that's too much to ask. If I have three monitors, and I click the icon to open an app on the far right monitor, I don't want it opening on the far left monitor. And I'm not talking about applications that were already open. I understand why they wouldn't move from monitor to monitor.

Score: 5 Votes (Like | Disagree)

nvmls

70 months ago

Maybe this time they'll fix Safari's white space below the loading bar when its full screen on different displays? Hopefully they will in Monterey now that they are changing it's UI. Minor glitches like these remain unsolved for years.