2 Ways to Change the Default Print Size on Mac

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A simple guide to changing the default print size on Mac

Co-authored by wikiHow Staff

Last Updated: April 10, 2024 Tested

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• Setting a Paper Size
|
• Creating a Custom Paper Size

|Show more |Show less

To change the default paper size for printing, click the Apple menu → click System Preferences → click Printers & Scanners → click the Default Paper Size menu and choose your new size.

Adding a Paper Size to a Printer on Mac

To change the default paper printing size, go to System Settings/Preferences > Printers & Scanners > Default Paper Size and make your changes. To make a custom page size, go to File > Print > Show Details > Paper size > Manage Custom Sizes > + and create the new page size.

Steps

Part 1

Part 1 of 2:

Setting a Paper Size

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1. 
   1
   Click the Apple menu.
2. 
   2
   Click System Preferences. If a submenu opens instead, click the Show All button at the top of the window.
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3. 
   3
   Click Printers & Scanners.
4. 
   4
   Click the Default Paper Size menu.
5. 
   5
   Click the paper size that you want to set as default.
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Part 2

Part 2 of 2:

Creating a Custom Paper Size

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1. 
   1
   Click the File menu in any app that can print. You'll need to open the system Print window to set a custom paper size.
2. 
   2
   Click Print.
3. 
   3
   Click Show Details.
4. 
   4
   Click the Paper Size menu.
5. 
   5
   Click Manage Custom Sizes.
6. 
   6
   Click the + button.
7. 
   7
   Type a name for the custom size.
8. 
   8
   Type the paper dimensions.
9. 
   9
   Type the non-printable area dimensions.
10. 
    10
    Click OK.
11. 
    11
    Select your new size using the method above. Your new custom size will appear at the bottom of the Default Paper Size menu.
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