If you freeze bacon, then thaw it out after it's expiration date, how long is it good for?
up vote 3 down vote. A .o object file file (also .obj on Windows) contains compiled object code (that is, machine code produced by your C or C++ compiler), together with the names of the functions and other objects the file contains. Object files are processed by the linker to produce the final executable.
Adobe Acrobat and Acrobat reader files. The ENV file extension is primarily associated with Adobe Acrobat and Acrobat Reader files. An ENV file holds spelling and format setting information. Acrobat lets you capture a document and then view or share it in its original format and appearance. To view an Acrobat document, which is called a Portable Document Format (PDF) file, you need Acrobat Reader.