.REQ File Open With

There are 2 File Types for .REQ - SSL Certificate Request File Canon SD Card Version Request File

.REQ File Type - SSL Certificate Request File

In Windows .REQ File Open With

  • Microsoft Exchange Server
  • OpenSSL

In Mac .REQ File Open With

  • OpenSSL

In Linux .REQ File Open With

  • OpenSSL

.REQ File Type - Canon SD Card Version Request File

In Windows .REQ File Open With

  • Microsoft Notepad

Operating System (OS)

An operating system is the software that directly manages a system’s hardware and resources, like CPU, memory, and storage.


macOS is Apple's operating system for Macintosh computers. It offers a user-friendly interface, integration with Apple's ecosystem, and features like iCloud and Siri. It provides a stable and secure platform, empowering users with a range of built-in apps and a seamless experience across devices.


Windows also known as Microsoft Windows or Win is a graphical operating system developed and published by Microsoft. It provides a way to store files, run the software, connect to the Internet, and lots more.


Linux is an open-source, community-driven operating system (OS) that is built on the Unix foundation. It offers compatibility across various computer platforms, such as x86, ARM, and SPARC, and extends its support to computers, servers, mainframes, mobile devices, and embedded systems. With its widespread adoption, Linux has become one of the most extensively supported operating systems available.

Leave a Comment