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Why do I keep losing my text and zoom settings when closing firefox?

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My zoom and text settings always returns to small (default) settings when I shut Mozilla Firefox down.

My zoom and text settings always returns to small (default) settings when I shut Mozilla Firefox down.

Chosen solution

Are these the settings in:

orange Firefox button (or Tools menu) > Options > Content

I believe those are saved in prefs.js, a file that could be modified or overridden by other software. Some things to consider:

If you are losing site-specific settings such as increased or decreased zoom levels, I think these might be part of the category "Site Preferences". If you have Firefox set to clear history at shutdown, try unchecking the box for Site Preferences and see whether that helps.

orange Firefox button (or Tools menu) > Options > Privacy

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Chosen Solution

Are these the settings in:

orange Firefox button (or Tools menu) > Options > Content

I believe those are saved in prefs.js, a file that could be modified or overridden by other software. Some things to consider:

If you are losing site-specific settings such as increased or decreased zoom levels, I think these might be part of the category "Site Preferences". If you have Firefox set to clear history at shutdown, try unchecking the box for Site Preferences and see whether that helps.

orange Firefox button (or Tools menu) > Options > Privacy