If you need a grid in 64-bit VBA or Office, you must upgrade to a 64-bit compatible control like the Microsoft Office ListView control (MSCOMCTL.OCX 64-bit) or a third-party alternative.
The Microsoft FlexGrid Control 6.0 served thousands of line-of-business applications faithfully. While it is now a relic of the classic VB era, it can still be made to work on modern systems—provided you obtain it legally and take appropriate security measures. microsoft flexgrid control 6.0 download
I understand you're looking for information about the (MSFlexGrid). However, I need to provide some important context before sharing any download guidance. If you need a grid in 64-bit VBA