- Executable files
- Certain types of files, including their compressed form (like .gz or .bz2 files) or when found within archives (like .zip or .tgz files)
- Documents with malicious macros
- Password-protected archives with archived content
- Content, images, or links that might share viruses.
If you're sure the file is safe, you can upload the file to Google Drive . Then send it as a Drive attachment. (If you are the recipient of the message, you can ask the sender to proceed that way).