Enabling JavaScript should make Excel more powerful, but increasing access points makes it even more of a web security nightmare than it already is.

Within days of Microsoft announcing that they are introducing custom JavaScript equations in Excel, a security researcher has developed a way to use this method to load the CoinHive in-browser ...

It didn’t take long at all for a security researcher to demonstrate how easy it was to turn an Excel spreadsheet into a cryptomining machine.

If you see The file couldn't open in protected view error while opening Microsoft Excel, the fixes listed in this post will help you.

If you cannot open an Excel file and see Excel cannot open the file because the file format or extension is not valid error, see this post.

Microsoft has added the ability for users to create custom Javascript functions in Excel spreadsheets, creating concern among security experts. According to Excel program managers Michael Saunders ...