If emails are not saved to the Sent Items folder in Outlook on your Windows 11/10 PC, you can try our recommended solutions below in no particular order and see if that helps to resolve the issue on ...
You can attach a folder to an email in Microsoft Outlook to send several files all at once by compressing the folder into a zip file.
You can schedule an email in Outlook by using the "Delay Delivery" feature on the platform from your computer.