You can have Excel make a spreadsheet in read only format for others, so that people can read its contents but not edit them, or you can enforce other content restrictions.

How to Read Excel Files on an iPad. The iPad has become a popular business tool for many different reasons, ranging from its ease of use to its security model to its support for business applications.

Attackers can attempt to hide malicious payloads in Excel files sent by e-mail by using a standard Excel feature, according to a Tuesday post by Mimecast researchers.

The Excel read-only technique was used in this scheme to "fool anti-malware systems." "Many anti-malware engines have difficulty deciphering encrypted files, so getting 'free' encryption as part of a ...