For ultimate portability without any local installation, consider :
: A truly free, open-source, and officially portable suite that is regularly updated. Google Docs microsoft+office+2007+portable+edition+updated
If you have the original Office 2007 installation disc, you can copy all files from the disc to a USB drive. Alternatively, Microsoft maintains direct download links to Digital River for most Office 2007 installation files, bundles, and standalone programs. You can use another computer with a disc drive to copy the DVD contents to a USB drive, then move the files to your target computer and run setup.exe from the copied folder to install the software. You can use another computer with a disc
Excel 2007 dramatically increased the spreadsheet grid from 65,536 rows to 1,048,576 rows and from 256 columns to 16,384 columns. New conditional formatting options—data bars, color scales, and icon sets—improved data visualization. The new formula engine supported multi-threaded calculation on multi-core processors, significantly improving performance. 536 rows to 1
released by Microsoft. These versions are typically unauthorized, third-party repackages created using virtualization tools like VMware ThinApp to run from a USB drive without installation. Status and Security Risks End of Life: Official support for Microsoft Office 2007 ended on October 10, 2017 Security Hazard:
Even if you ignore the security and legal issues, you may find that running Office 2007 on a modern version of Windows is problematic: