Before 2010, Office was primarily a 32-bit (x86) application. The introduction of the meant Word could finally address more than 2GB of RAM. While unnecessary for simple letters, this was a game-changer for "power users" working with massive files, such as data-heavy reports or high-resolution image-laden manuscripts . Defining Features of Word 2010
Microsoft Office 2010 Word x64 was a notable release that brought native 64-bit word processing to Windows, allowing users to handle larger documents and leverage modern hardware more effectively. MICROSOFT OFFICE 2010 WORD X64
Microsoft officially ended support for Office 2010 on . Before 2010, Office was primarily a 32-bit (x86) application