Microsoft Office is a suite of commonly-used software tools that includes MS Word (word processor), MS Excel (spreadsheet), and MS PowerPoint (presentation software). These tools are very widely used in industry, and you may be asked to make significant use of them during your studies at USAHS. You should own or have access to MS Office, and you should be comfortable using it.
There are a large number of resources available online for assistance in using MS Office. Among these, the following links may prove helpful: