What is .SPEC file extension?
File used by rpmbuild, a program used for building .RPM (Red Hat Package Manager) packages, which are used for installing Linux programs; includes the package name, version, copyright information, a summary, references to program files, and instructions for creating and installing the package.
SPEC files can be created and edited with any text editor.
You can see a list of software programs here on easyfileopener.org that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.