The full name of mdf is "Mirror Disc File", which is a media disc image file. Its function is to package the contents of CD and DVD discs into disk images similar to ISO files, so that they can be spread on the network; MDF files are widely used, such as The release of software, games, videos, even operating systems, and more.

eml file is an email file format that contains the original content and information of an email. Usually, the eml file is generated by an email client or email server and saves complete email data, including sender, recipient, subject, body, attachments, etc. To open eml files, you can use the following software: Mail client software: Most mail client software supports opening eml files directly, such as Microsoft Outlook, Microsoft Mail, Thun

FDF files are a format file similar to PDF files. They are a form data format used to export data from PDF form fields; FDF files are usually smaller than PDF files because they contain form field data rather than the entire form. The FDF file format can encapsulate text, fonts, formats, colors, and graphics and images independent of device and resolution in one file; it can also include electronic information such as hypertext links, sounds, and dynamic images, and supports special-length files and integration The degree of safety and reliability are high.

prt is a file format for PTC drawings; prt files can be opened using Solidworks software, or you can use the prt file browser to browse prt format files. The files generated by "Pro/engineer" are in prt format by default, which is a powerful Parametric documents, used for product modeling and motion simulation.

The AI ??file format is a proprietary format of Adobe Illustrator and is commonly used to save vector graphics files. Vector graphics can be scaled and edited losslessly, so they are widely used in design, illustration, typography, and other fields. To open AI files, you need to use specialized software, the most important one being Adobe Illustrator software. Adobe Illustrator is specialized software for creating and editing vector graphics. It provides rich tools and functions to help designers create high-quality

xlsx is a table file for Microsoft's "Office Excel"; xlsx is a compressed file based on the "Office Open XML" standard that replaces the previous proprietary default file format, with an "x" added to the end of the traditional file extension, and can be opened by any " Any word processing software that uses .xlsx" files can convert this document into a ".xls" file.

AI files are the file format of Adobe Illustrator software, while PS refers to Adobe Photoshop software. Although both are products of Adobe, they are different software used in different fields of design and image processing. Therefore, under normal circumstances, AI files cannot be opened directly in PS. AI files are file formats specifically used for vector graphics design. It can save graphics, charts, logos, icons and other vector elements, and supports non-destructive editing and amplification. Different from that,

".bak" is a backup file and is the extension of the file format; the significance of creating a backup file is when setting the default configuration of the software, especially many programming, drawing and design software. When the source file is accidentally deleted or due to software When it automatically exits due to its own error, you can continue editing based on the backup file.