If your junk email is set to be permanently deleted instead of moved to the Junk Email folder, you’ll lose legitimate email and never know it was there. But at any other level of filtering-especially “High” or “Safe Senders Only”-there’s a very good chance that Outlook will pick up a “false positive” and mark a legitimate email as junk. The first of these, “Permanently delete suspected junk email instead of moving to the Junk Email folder,” is a setting that is probably most useful if you’ve set your filtering to “No Automatic Filtering.” That filter will only move mail from senders on your Blocked Senders list to Junk, and as they’re blocked, it’s probably fine for those emails to be permanently deleted. Underneath the filter levels are two additional settings. However, over a suitably long period of time, it’s possible to train the junk filter quite well, especially if you have a low amount of email from unknown senders. This is a very restrictive setting, and you’ll need to check your Junk Email folder very regularly. Going back to your Junk Email Options, the last level you can choose is “Safe Lists Only.” This will mark as junk any message from a sender or domain that isn’t in your Safe Senders list. If a legitimate email does get sent to the Junk Email folder, you can train the filter not to view email from that sender as junk by selecting the message and clicking Home > Junk > Not Junk.Ī confirmation box will open telling you the mail will be moved to the Inbox and giving you the option to add the sender to the Safe Sender lists. If you want Outlook to be more aggressive you can go for the “High” setting, but this is very likely to move some legitimate email to the Junk Email folder, so you’ll need to check it regularly. You can switch to “Low” to catch more obvious junk email, and this setting should be enough for most people. By default, the junk email filter is set to “No Automatic Filtering,” so only emails from senders you’ve deliberately added to your Blocked Senders list will end up in the Junk Email folder. Email marked as junk is sent directly to the Junk Email folder, and you can choose how aggressively Outlook marks emails as junk.

The Options tab on the Junk Email window is where you can set Outlook’s junk email options for any message that comes in.

Click on this option to open the Junk Email Options panel.

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