Generally in start page of visual studio, you will see list of recent projects that you have opened, using this option we can open the projects quickly. Here we can configure more number of recent projects to display in this section and maximum 1 to 24 recent projects allowed to display. See the steps to configure this option.
1.Tools -> select Options…
2.Environment -> select General
3.On right side, under Recent files section set the number in small textbox against items shown in recently used lists as shown below.
Once you have done the above setting then you will see recent projects displayed in the start page as shown below.