Enable or disable macros in Office files
Should I enable or disable macros?
Enable all macros (not recommended, potentially dangerous code can run) All macros run without confirmation. This setting makes your computer vulnerable to potentially malicious code.
What does enable macros mean?
Microsoft Word, Excel, or PowerPoint users may be aware of macros but are not totally sure what happens when they are enabled. Macros are a series of operations that can be performed with a single keystroke or command in order to automate routine processes.
What does a macro enabled workbook do?
If you open a macro-enabled workbook, a Security Warning message states that the workbook contains macros. This protects you from possible harm — some macros might contain viruses or other hazards. You can choose to enable the content if the workbook is from a trusted source.