Why do archived emails keep reappearing in my inbox?

If you've archived an email and it later shows up in your inbox again, this is usually expected behavior - not a bug.

It typically happens when:

Nothing is being un-archived or duplicated. Fyxer is simply surfacing the latest activity in a conversation.

Fyxer works at the conversation (thread) level, not individual messages.

In the dashboard (Dashboard → Categorization), each category lives in one of two columns:

If a category is set to Keep these in my inbox, then:

The entire conversation is brought back into view so you can see the latest update in context.

This can make it feel like an old, archived email has "come back", but what you're actually seeing is the active thread resurfacing.

This is intentional - it prevents conversations from being split across inbox and folders.
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If you'd prefer certain emails to stay filed away, even when there's a reply:

Go to your Dashboard → Categorization

From that point on:

Changes apply going forward - nothing is permanently moved or lost.
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Using Conversation View in Gmail or Outlook Web helps a lot here.
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With Conversation View enabled:

This reduces clutter and removes the feeling that old emails are "coming back".

​Read next: How to turn on Conversation View