You use 32-bit third-party add-ins that lack a 64-bit version. You are running an older 32-bit version of Windows.
The primary drawback of the 32-bit version is its . It is restricted to 2 GB of RAM , regardless of how much memory is installed on the physical computer.
Added Morph/Zoom in PPT, SVG support, and Data Analysis in Excel. Added Dynamic Arrays, XLOOKUP, and Dark Mode support. Windows 7 or later Windows 10 or 11 Windows 10 or 11 Performance Limitations ABOUT Microsoft Office 2016/2019/2021 32-bit
: Complex diagrams and schedules are similarly capped, making the 64-bit version preferable for heavy lifting. Current Recommendations
: Large datasets or complex workbooks exceeding 2 GB will trigger "out of memory" errors. You use 32-bit third-party add-ins that lack a
: While most VBA code works on both, 32-bit Office is required for older VBA code that uses 32-bit Declare statements or specific API calls without the PtrSafe attribute. Key Version Differences (32-bit)
Despite sharing the same architecture, the features and support lifecycles differ across these three releases: Office 2016 Office 2019 Office 2021 Sept 22, 2015 Sept 24, 2018 Oct 5, 2021 Support Status Extended support ends Oct 2025 Extended support ends Oct 2025 Support ends Oct 2026 Key Features Focus on cloud integration and "Tell Me" help. It is restricted to 2 GB of RAM
Microsoft Office 2016, 2019, and 2021 all offer versions to maintain compatibility with older hardware and specific software extensions . While Microsoft has shifted to 64-bit as the default installation for modern systems, the 32-bit architecture remains a critical alternative for specialized environments. Core Architecture & Compatibility