Outlook messages

Mail is the deepest Outlook resource: send, reply, move and delete; walk folders and paginate; tag with categories; and export the lot. Part of the Outlook tour, which explains the model, permissions and the shared send_mail / draft idioms.

What	File	Notes
Send a message	send.py	Subject, body, recipients
Reply / forward / move / copy	lifecycle.py	The full message lifecycle
Folders	folders.py	Create, navigate, empty, mark read
Search	search.py	KQL and $filter (mutually exclusive)
Paginate	pagination.py	$top + $skip over thousands
Inbox rules	inbox_rules.py	Automate handling
Categories	categories.py	Master colour labels
Mailbox settings	mailbox_settings.py	Automatic replies (OOF)
Mail tips	mail_tips.py	Pre-flight OOF / size checks
Attachments	attachments.py	Add, list, download
Send with a large attachment	send_with_large_attachment.py	Upload session
Large messages	large_messages.py	Over a size threshold
Export a folder to CSV	export_folder_csv.py	Data pipeline
Export a folder to JSON	export_json.py	Data pipeline
Export MIME (.eml)	export_mime.py	One message
Import MIME (.eml)	import_mime.py	Draft from a saved file
Export attachments	export_attachments.py	Folder → local disk
Export a folder concurrently	export_mail_async.py	Async
Archive old messages	archive_old.py	Moves into "Archive"
Clean up old messages	cleanup_old.py	Dry-run first