excel2007？ Office button -Excel options-advanced. In the display, you can adjust the number of "Show this number of recently used documents", and you can display up to 50 documents.
Excel is a spreadsheet program in Microsoft office system. You can use Excel to create workbooks (a collection of spreadsheets) and format them, so as to analyze data and make more informed business decisions.
In particular, you can use Excel to track data, generate data analysis models, write formulas to calculate data, see through data in various ways, and display data in various charts with a professional appearance.