link title conversion

The Link title conversion should convert all links on the forum right? Or only new posted links? It seems like it should convert all links if I check this forum. It's not doing that on my forum. It's only converting new posts. If I edit the post it's converting the links. I have to say I have...

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Description: Link Essentials for XenForo is a must-have add-on for any XenForo webmaster. It significantly enhances the user experience and usability of your forum. There are 4 basic enhancements, all of them with a lot of professional features: 1) EXTERNAL URL PREVIEW PICTURES (SCREENSHOTS)...