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Outlook: compact message list

Shrinks the spacing in message-list rows so more emails fit on the screen at once.

Code to copy

/* Compact the message list rows so more emails fit on screen */
div[role="listbox"] div[role="option"] {
  min-height: 0 !important;
}
div[role="listbox"] div[role="option"] > div {
  padding-top: 3px !important;
  padding-bottom: 3px !important;
}

How to use this example

1. Copy the code with the button above.
2. Install JustZix (2 minutes) and open the extension on the target page.
3. Add a new rule matching that page.
4. Paste the code into the rule's CSS panel and save — the effect appears instantly.