There are two formats: plain text format and HTML format. HTML is a web page format. Select "Send email in HTML format" under plain text editing, and the email received by the other party will be displayed as a page. Here, you can edit the email in the form of HTML code: on the email page, click the "Multimedia Editor" button under the text box; Select the "Edit Source Code" checkbox at the far right of the toolbar; In the text box, edit the email in the form of HTML code; When editing, click the "Preview" button below the text box to preview the email page being edited. After writing the email, directly click "Send", and the email received by the other party will also be displayed as a page.

"Multimedia editing" corresponds to "plain text editing", which provides users with a variety of editing methods other than plain text, allowing you to use colors, fonts and various text formats when writing emails and signatures-just like having a built-in word processor. The way to use the Multimedia Editor is to click the Multimedia Editor button at the bottom of the text box. At this point, a multimedia editing toolbar will appear in the text box. See the following table for the functions of each tool: cutting, copying and pasting font size, bold font size, italicized text, inserting number, bullet paragraph, left center, right alignment, increasing indentation, reducing font color, background color, inserting linked picture, magic expression, etc. With these tools, you can modify the font size, insert pictures, expressions, choose stationery and so on. Make your letter richer and more personalized. Here are some options and buttons: Font: Modify the font of the selected text. Select different parts of the text to be modified. You can use different fonts in a sentence or paragraph. Font size: controls the font size of text.

The multimedia editor provides 7 font sizes from "minimum" to "maximum". Cut: Cut the selected text. You can paste this text anywhere in the compose email window. Font Color: Change the color of the selected text. Background color: lets you choose the background color. Add Link: Insert hyperlink address. You can also select stationery at the top of the text box. Users can use the above multimedia tools to edit letters, and other operations are the same as plain text editing. You can also click "Plain Text Editor" below to switch back to plain text editing mode.