URGENT -update header footer & Lock in Excel

I already have a completed Excel certificate template along with a high-resolution JPEG logo and a full company letterhead. What I need now is for these brand elements to be embedded permanently: • Header... (Budget: $30 - $250 USD, Jobs: Data Entry, Data Processing, Excel, Excel Macros, Excel VBA, Graphic Design, Microsoft Office, PDF, Photoshop, Stationery Design)