Thunderbird, a free, open-source desktop email client, lets users retrieve and read messages from a variety of email servers. One of Thunderbird's benefits for a small business is its ability to ...

Although the default option that appears when you open Microsoft Word is a blank page and a blinking cursor, it's possible to create an entire Word document out of attachments and other files. You can ...

You can select any of the above options. If you want to open the file, click Open. As explained above, this is not an error message. It is a warning message which can ...