Microsoft Access is a database management system that allows you to store, organize, and manage large amounts of information. Here are the basic steps to use Microsoft Access:

1. Choose a template or create a custom database.
2. Insert a table.
3. Add or import data.
4. Organize data.

To open a form in Microsoft Access, you can right-click on the form and choose "Open With" and then select Microsoft Access. Alternatively, you can open Access and go to "File>Open" and browse to the file you want to open.

Here is a beginner tutorial video on how to use Microsoft Access step by step: