It means the electronic version, downloaded in the mobile phone, and the invoice is also opened in the mobile phone. Just print it yourself.

In a document in the form of text, the text is not decorated with any text, and there are no bold, underlined, italicized, graphics, symbols or special characters and text with special printing format.

Generally, when a file in text form is required, it refers to a file with a suffix of. txt and written with a notepad or wordpad that comes with windows. With office software such as word, you can also set the format of saving as text.