Be careful when pointing paperless to a directory that already contains
other files.
-Paperless will not export archive files if you use `--no-archive`, or will
-not export thumbnails if you use `--no-thumbnail`. After importing, These
-files can be generated again by using `document_archiver` or
-`document_thumbnails`. It can make sense to omit these files from backup
-as their content and checksum can change (new archiver or thumbnail
-generator algorithm) and may then cause additional used space in
+Paperless will not export archive files if you use `--no-archive`. After
+importing, These files can be generated again by using `document_archiver`.
+It can make sense to omit these files from backup as their content and checksum
+can change (new archiver algorithm) and may then cause additional used space in
a deduplicated backup.
+Paperless will not export thumbnails if you use `--no-thumbnail`. After
+importing, These files can be generated again by using `document_thumbnails`.
+It can make sense to omit these files from backup as their content and checksum
+can change (new thumbnail generation algorithm) and may then cause additional
+used space in a deduplicated backup.
+
If `-z` or `--zip` is provided, the export will be a zipfile
in the target directory, named according to the current date.