Microsoft Excel is a spreadsheet application developed by Microsoft for Microsoft Windows and Mac OS. It features calculation, graphing tools, pivot tables, and a macro programming language called Visual Basic for Applications. It has been a very widely applied spreadsheet for these platforms, especially since version 5 in 1993, and it has replaced Lotus 1-2-3 as the industry standard for spreadsheets.
Being the industry standard for spreadsheets, Microsoft Excel is ideal tool for providing the format and layout of invoices. This is the reason we at InvoicingTemplates.com choose Excel as our file format of the invoice templates, as compared to the other possible formats, including Microsoft Word invoice template (doc or docx), PDF invoice template, HTML invoice template, XML invoice template,