This indicates that this file is the second piece of the sequence. You will almost certainly need the first piece (ending in .7z.001 ) and any subsequent pieces (like .003 ) to open the content.
Only open archives from sources you trust. Be cautious of fake download sites; for example, the official site is 7-zip.org , while other similar-sounding domains have been known to distribute malware. 18ss20220505_014200.7z.002
The software will automatically detect and join the other parts to recreate the original file. This indicates that this file is the second
Do you have the of this archive (like the .001 file) in the same folder? the official site is 7-zip.org
When a file is too large to share easily, it is often "split" into multiple smaller pieces.