2. In the email editing page, directly click the "Add" button near the top of the editing control bar to add the file (add the filled information form) to the email.
3. After confirming the operation of adding attachments, a file browsing window will automatically pop up. You can browse files on your computer and double-click to select the file to upload.
4. Double-click the confirmation file, and the system will automatically upload the corresponding file to the mailbox. After uploading, you can send an email with a file to the other party's mailbox.