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New Built In Thunderbird PDF Viewer Missing Default View Settings

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Title says it all. The new built-in PDF viewer is a great addition but it has no settings for the default view. I don't want it to open as "Automatic zoom". I want my initial view to be "page fit".

Is there a hidden setting I can change?

Title says it all. The new built-in PDF viewer is a great addition but it has no settings for the default view. I don't want it to open as "Automatic zoom". I want my initial view to be "page fit". Is there a hidden setting I can change?

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Found it. Tools/General has config editor.

Change pdfjs.defaultZoomValue to "page-fit".

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Many thanks for posting good valuable information.