When presenting your business plan to an angel investor you must understand that they will be very interested in your spreadsheets and proformas, but you must also realize that it is typically an entrepreneurial optimistic approach, which causes problems with proformas. Therefore, you should have dueling spreadsheets; that is to say the spreadsheets, which take your best guess and double the time, double the expenses to compete with your optimistic approach. You should be able to present both of these to your Angel Investor; who chances are is a retired business person with a little bit of financial savvy.
However, there are some other parameters that can be set at the same time. For other options, simply choose the Advanced tab. There are three core parameters that you need to be aware of. The first is the length of time you will store the history in your file. Microsoft Excel allows you to store over 32000 days worth of changes to your Excel file, however, there is a catch. All of that information is stored in your file and consequently your file will grow exponentially. Most organisations generally work on a maximum of 30 days and that is the default, however the value entered simply depends on your workbooks requirements. You can choose the second option which says, Don‘t Keep Change History. This simply ensures no changes are maintained.