There are several issues to be aware of when attaching files to email messages. However, Windows and Macintosh computers use different encoding in their operating systems which affects how each system deals with file formats. There are many different types and versions of word processors and not all of them are compatible.
Attachments can harbor computer viruses.
While many virus scares may prove to be unfounded, more notable viruses have done considerable damage to computers and computer networks. Many viruses spread by sending a copy of themselves to everyone in your personal address book. PCs are generally more vulnerable than Macintosh computers, but it is critical that an anti-virus program be installed on your computer, and that you update it regularly. Documents Receiving Windows often cannot read a file created on a Macintosh computer. In general, we have determined this version of Word to be the most compatible on both platforms.