Where 7-Zip fits
Use it when handling compressed downloads or packaging a collection of local files.
Check before you choose
Check the output format needed by the recipient and test extraction before deleting the originals.
Find the right edition
Start with the destination for your device or the publisher's website. Use the current requirements and terms there to confirm the edition you need.
Compare the workflow
Separate personal notes, office documents and shared project tracking when comparing options. Local files offer a different ownership model from a hosted workspace, and synchronization is not a substitute for a backup.