Microsoft Office 2010 Excel X64 -thethingy- May 2026

Before R and Python became mainstream, many journalists used Excel for large public datasets (e.g., US salary databases, election results). 64-bit allowed them to sort and filter without crashing.

Excel 2010 x64 introduces the LongLong (8-byte signed integer) in VBA. It is only available in 64-bit Office and only in VBA7 (Office 2010+).

Dim bigNumber As LongLong
bigNumber = 2^48  ' Works in x64 only

If you write code that uses LongLong and share it with 32-bit Excel, you get a compile error. MICROSOFT OFFICE 2010 EXCEL X64 -thethingy-

Microsoft Office Excel 2010 x64 is the 64-bit build of Excel 2010, released as part of Office 2010. It was designed to take advantage of 64-bit processor architectures and larger system memory, providing improvements for heavy-duty calculation, very large workbooks, and advanced data models compared with the 32-bit edition.

“The thingy” became a nickname among IT pros for the 64-bit version of Excel 2010 – specifically the EXCEL.EXE compiled for x64 instruction sets. It wasn’t a new feature set; it was a fundamental architectural shift. You could spot it in Task Manager: Excel (64-bit) next to the process. That little label meant you could load a 1.5 GB workbook without breaking a sweat. Before R and Python became mainstream, many journalists

If you are looking at the "thethingy" release, you are likely trying to install a specific, pre-activated version of Office 2010 on a modern Windows 10 or Windows 11 computer.

Microsoft Excel 2010 (x64) is widely considered one of the best versions of Excel ever made. It bridges the gap between the old "Menu" style interface and the modern "Ribbon" interface perfectly. Unlike newer versions (Office 365/2019/2021) that feel cluttered with features casual users don't need, 2010 is lean, fast, and stable. If you write code that uses LongLong and

Why would you specifically want the x64 (64-bit) version of Excel 2010?