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Adobe Printer's default setting changes back to "letter" instead of staying A4

Forum|Forum|3 months ago
March 9, 2026
6 replies
700 views

I use Adobe Printer as my default PDF printer, but as soon as I print a document the Adobe Printer’s default paper size settings revert back to “letter” in stead of staying on A4 after it was saved.

Correct answer creative explorer

@Michael_Rosenstein May I suggest you ‘save’ your settings as a ‘print setting’ so it becomes one your ‘Presets’?

I have a few on my end…

D

djbats

Known Participant

..same, these steps work temporarily but it soon defaults back to Letter, this never used to be a problem. is the Adobe Print Driver now somehow localised and we just have the wrong one?

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djbats

Known Participant

Hi Anand, thanks for the reply, the preferences for Default A4 are retained for a while, sometimes even after a reboot, but it periodically default back to Letter, usually with a couple of hours. I’m on a Windows 11 Enterprise device, Version- 10.0.22631 Build 2263, I’m using Acrobat Pro, Version 2026.001.21563 64 Bit and there are no updates available.

Anand Sri Bhattacharya

Community Manager

Thanks for sharing the details @djbats

Is it an IT-managed device, or a personal computer? For testing purposes, please create a test user profile with full admin rights and test the workflow.

Also, turn off the enhanced security from the Menu > Preferences > Security (Enhanced) > uncheck > protected mode at start-up, and enhanced security > click ok, restart the app, and check.

Let us know how it goes.

Regards,

Anand Sri.

M

Michael_Rosenstein

Known Participant

I have a personal computer and I recently switched my Microsoft-account to a local one with full admin rights.
I changed Acrobat security settings according to your advice. Let’s see if the Adobe PDF printer settings will reset again :-)

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djbats

Known Participant

Has anyone found a working solution for this? I have the same problem, Acrobat defaulting to Letter size.

Anand Sri Bhattacharya

Community Manager

Hello @djbats

I hope you are doing well, and thanks for reaching out. We’re sorry for the trouble you had.

Have you tried the suggestions shared in the thread? What happens when you try those steps? Do you get any error message?

Are you on a Windows or Mac machine, and what is the version? What is the version of Adobe Acrobat installed?

Please ensure you have the latest version of Acrobat installed on the machine: Version: 26.001.21563. Planned update, May 18, 2026. Check for any pending updates by navigating to Menu > Help> Check for Updates. Install the updates, restart the app and the machine, and try again.

We’re here to help, just need more info.

Regards,

Anand Sri.

M

Michael_Rosenstein

Known Participant

This is my Acrobat version.

creative explorer

Correct answer

Community Expert

@Michael_Rosenstein May I suggest you ‘save’ your settings as a ‘print setting’ so it becomes one your ‘Presets’?

I have a few on my end…

m

Known Participant

Known Participant

I always use one of the predefined Acrobat settings (Smallest file size).
It doesn’t matter if I create my own setting, it will anyway reset to default “Standard”.
The paper size I choose will reset to “Letter”, too.

AndrewTheScot

Participant

I have exactly the same problem with Adobe Acrobat Reader (64-bit) defaulting to US letter size rather than A4. My printer is set to use A4 paper as I am in the UK and all setting reflect this.

The instructions to change the Printing Preferences of “Adobe PDF” under Printers & Scanners fails because “Adobe PDF” is not an available option.

Clearly Adobe Acrobat Reader (64-bit) has a default of US letter size built in to it. Where exactly is it and how do you change it?

creative explorer

Community Expert

@Johan_Massyn To make A4 the permanent and go-to-default-size, you have to change it at the "system" level, not the "app" level. Here is the move:

1: Printing Preferences (Search Menu > Printers & Scanners > Adobe PDF > Printing Preferences > Adobe PDF Settings Tab). Change "Adobe PDF Page Size" to A4.

2: Advanced Settings Inside that same Preferences window, click the Advanced button. Under "Paper/Output," ensure the "Paper Size" is also set to A4.

For more details, https://helpx.adobe.com/acrobat/desktop/print-documents/set-up-and-print-pdfs/pdf-printer-settings.html and https://helpx.adobe.com/acrobat/desktop/print-documents/set-up-and-print-pdfs/page-size.html

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Allan223255622mtk

Participant

Hi

I have done the above changes, but my PC keeps on changing back to size letter. :-(

I have been in contact with Adobe support 4 times, but they take over the screen, and just reinstall the program. And when this don’t work, tell me that it’s a Windows issue??

M

Michael_Rosenstein

Known Participant

I have the same issue. Adobe PDF printer settings always reset to default, not only paper size.
Cusiously, some time /Acrobat versions ago it wasn’t the case.

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