Taking XLSM File Precautions Before trying to open an XLSM file, Kaspersky warns that some macros in these files can be malicious, especially if you receive your spreadsheet through a random email.

Ronald Albaitis tried opening a file and got a warning that it contained “macros.” He asked me what they are and whether he should be concerned. A macro is a small, usually user-created piece ...

Create a Macro that Excel Will Automatically Run ... Launch Microsoft Excel and open your macro file, which could be inside a personal macro workbook, an XLSB file or inside another workbook.

Excel failed to warn the user before running any macro contained in a file in the SYLK file format, an almost-forgotten file type but one with which Microsoft Office had maintained compatibility.

Microsoft has announced that it will disable macros in Office files by default to protect users from the various threats that exist on the Internet. Helping users stay safe: Blocking internet ...

Barriers that Microsoft has placed to prevent malicious macros has forced some cybercriminals to use LNK files for malware delivery, but at the cost of easier detection.

Alongside ransomware, macro-based attacks have flourished over the past year. The volume of macro threats rose from fewer than 10,000 new attacks in Q3 2014 to almost 45,000 a year later, according to ...