Paste the key into a plain text editor like Notepad first to strip out rich-text HTML formatting before copying it into the software.
Reinstall the software, open Outlook, and enter your activation key. Method 2: Handling Firewall/Proxy Restrictions easy mail merge activation key fixed
If the plug-in was installed without administrator rights, Windows may prevent it from writing the activation key to the secure system folders. Paste the key into a plain text editor
Step-by-Step Fixes for Easy Mail Merge Activation Key Errors a YouTube comment
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You found a key online—maybe from a blog, a YouTube comment, or a “warez” site. It worked for a day, a week, or even a month. Then suddenly: “Activation required.”