MS Word is the most widely used file format among the office suites developed by Microsoft. Today, Microsoft Office Word is used to create and edit personal and business documents such as reports, e-mails, invoices, resumes, contracts, and books. However, when using finished documents for distribution purposes, such as invoices or handouts, most convert to PDF. This is because MS Word documents can be changed by others, but PDF documents cannot be easily changed and have excellent security advantages. Here are the clear benefits of converting MS Word to PDF.