This method of sending is more secure than the other methods provided in this article. It Sept 20, 2023 — Use either the “Email Attachments” section at the bottom of your email message, or to set your settings manually. Oct 14, 2023 — Choose 'Choose File'. Note: ‹›› When you compose an email message and select “Choose File”, the contents of the message are displayed and an envelope is displayed with the file attached in the 'Attachment'. You can attach .DOC, .txt, .docx, .PPT, .xls, .ppt, .ppm or .pps files and .csv files. You can use it with either local or off-line email clients, or a web-based client such as Gmail or G Suite. How to send secure email attachments — Life hacker How to secure your email attachment via S/MIME and Pretty Good Privacy (PGP) — PC World Sep 24, 2023 — If you want to send files that have been encrypted, you can only use methods where that file has been signed with a key generated by your system. But you can use “PGP” for private communications, encrypted email or any other communication that cannot be opened by someone from a different computer or server where you are located. ‹›› How to send secure email using encryption using MS Office — The Register How to use MS Office to send secure email messages to another computer — Ars Technica How to encrypt and decrypt encrypted email messages and attachments using Microsoft Office — GizmoWorld The only way to send any email messages, or encrypted messages and attachments is via the EWS (Encrypted Web Services) which is provided by Office 365 and Exchange Server Oct 21, 2023 — Create a private and secure email account for each and every person who works in your company, such as the person who helps on the accounting and finance team, the person who helps with your marketing plan, and the person who manages your accounting system. Make sure this individual's email is encrypted and that each email is only accessed by that individual for whom it's intended. This person must have a separate private and trusted email address for each job, and it must be secure and kept private.