I am interested in declaring my candidacy for the Excel Expert position for your project. I studied all the details for your job posting and I noticed that your job posting requires skills in Microsoft Word and Excel.  You should know that I am certified as a Microsoft Office Specialist in Word
I also want to add that, I am certified in other business applications which I believe would be valuable for this project of yours. After participating in the Business classes at British University In Egypt, during my learning years, I received Word 2013 and Excel 2013 certifications. As a part of those higher studies, I studied for and received two more Microsoft Office Specialist certifications in PowerPoint 2013 and Outlook 2013.