Use tar When
You are working in Unix-like environments and want common compression toolchains such as gzip or xz.
You are packaging source, logs, or server artifacts in a shell-first workflow.
When to use archive-first tar workflows and when zip is the simpler cross-platform choice.
Both package files together, but tar is the default archive format in many Unix workflows while zip is often more convenient for broad end-user portability.
You are working in Unix-like environments and want common compression toolchains such as gzip or xz.
You are packaging source, logs, or server artifacts in a shell-first workflow.
You want a format many users can open easily across operating systems.
You are distributing files to less shell-oriented audiences.
tar is common for Unix workflows. zip is common for end-user portability.