.CER File Type - Internet Security Certificate
In Windows .CER File Open With
- Microsoft Edge
- Google Chrome
- Mozilla Firefox
- Web browser
- Adobe Acrobat Reader DC
- Adobe Acrobat DC
In Mac .CER File Open With
- Apple Safari
- Google Chrome
- Mozilla Firefox
- Microsoft Edge
- Web browser
- Adobe Acrobat Reader DC
- Adobe Acrobat DC
- Apple Keychain Access
In Linux .CER File Open With
- Mozilla Firefox
- Adobe Acrobat Reader DC
Operating System (OS)
An operating system is the software that directly manages a system’s hardware and resources, like CPU, memory, and storage.
Mac
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
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
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.