A plain text file, plain text, plain text, plain text or bare text (plain English text) is composed only of plain text characters only, computer file which makes also human readable. These characters can be encoded in different ways depending on the language used. Some of the most widely used encryption systems are: ASCII, ISO-8859-1 or Latin-1 and UTF-8. Lack of information to generate formats (bold, underline, italics, size, etc.) and fonts (eg, Arial, Times, Courier, etc.). The term plaintext comes from a literal translation of the term plain text, a term which in Spanish means simple text or simple text.
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. Excel forms part of Microsoft Office. Microsoft Excel has the basic features of all spreadsheets, using a grid of cells arranged in numbered rows and letter-named columns to organize data manipulations like arithmetic operations. It has a battery of supplied functions to answer statistical, engineering and financial needs.