FILE FORMAT GUIDE
What is a 7Z file?
A high-compression archive format. Use this guide to decide whether to keep 7Z or convert it for a different workflow.
PRACTICAL OVERVIEW
Where 7Z works well
7Z is a strong choice for reducing archive size.
The right output depends on what must remain editable, how the file will be shared, and which application or device needs to open it.
FORMAT QUESTIONS
About 7Z files
What is 7Z best used for?
7Z works especially well for reducing archive size.
What can change during conversion?
Recipients may need a compatible archive application. Features that do not exist in the chosen output format cannot be carried across exactly.
Should I keep the original 7Z file?
Yes. Keep the original until you have opened the result and checked its layout, quality, data, media tracks, or other important details.