Jump to: navigation, search ... A peptide bond is a chemical bond formed between two molecule s when the carboxyl group of one molecule reacts with the amino group of the other molecule, releasing a molecule of water (H2O). This is a dehydration synthesis re action, and usually occurs between amino acids. Peptide bond.
Recipients notify you that the e-mail message you sent appears to them as a message with an attachment called winmail.dat. You are using the Rich Text message format, which the recipient's e-mail program cannot interpret correctly.
Comments: 5. Outlook can sometimes reformat attachments to 'winmail.dat'. This is most often when the email client is sending out emails that contain Rich Text such as bolg, italics, etc. The formatting is stored in the winmail.dat file.The recipient email clients may store that data as an attachment.ow to prevent winmail.dat file types in Outlook. 1  Open up your Outlook email client. 2  Click on File located in the upper toolbar. 3  Select the Options setting. 4  From here, select the Mail category.