If you are unable to open an Excel, Word, or PowerPoint attachment from Microsoft Outlook or a file from the Internet, and you get an error message, The file is ...

You can view your files in Gmail without downloading them to your device. Some file types, like images, are easy to preview in Gmail. Other files, like videos ...

A commonly reported issue with Outlook Web App is that users are unable to download file attachments. The reasons could be many, including browser issues, ISP restrictions, suspicious sender, low ...

Q. I sometimes receive e-mail messages with a “winmail.dat” file attached that I cannot open. Why does this happen, and what can I do to fix it? A. The winmail.dat file usually appears because various ...