Macro security level

Level of Macro security. Range 0 (lowest) - 3 (highest). - Low (not recommended). All macros will be executed without confirmation. Use this setting only if you are certain that all documents that will be opened are safe. - Medium. Confirmation required before executing macros from untrusted sources. - High. Only signed macros from trusted sources are allowed to run. Unsigned macros are disabled. - Very high. Only macros from trusted file locations are allowed to run. All other macros, regardless whether signed or not, are disabled. Default value: High