Returns the name of the operating system. Read-only String.

Syntax

expression.OperatingSystem

expression A variable that represents an Application object.

Return Value
String

Example

This example tests the OperatingSystem property to see whether PowerPoint is running with a 32-bit version of Microsoft Windows.

Visual Basic for Applications 
os = Application.OperatingSystem If InStr(os, "Windows (32-bit)") <> 0 Then MsgBox "Running a 32-bit version of Microsoft Windows" End If

See also: