hi, you can try this steps: credits to groovypost . com
How To Save A Document As A Secure PDF Using Office 2010
1. Click
File,
Share. From the Share menu, click
Create PDF/XPS Document, then on the right-side, click
Create a PDF/XPS.
2. In the prompt, choose a
location and
name. Next, click
Publish.
Done!
Your document is now saved as a PDF.
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other options: you can use online conversion sites such like:
pa mark as solution kung nakatulong.
hope it helps