Nintendo Switch Manual page 81

Only the icon on the HOME Menu will remain for
archived software. An icon will display before the
software name to show that it has been archived.
You can select this icon to redownload the
software.
◆ Redownloading may not be possible for
software that is no longer being distributed.
If you want to delete the software icon, too
Open the options menu for the software you'd like
to delete, then select Data Management ⇒ Delete
Software. Save data will not be deleted.
Managing save data/screenshots
Screenshots
Open Album on the HOME Menu, then press the X
Button on the list of screenshots to select images
to delete.