About Vietnamese worksheets
All Vietnamese worksheets in Excel 2002 or later share the following features:
File compatibility Excel 2002 or later can open worksheets created in versions of Vietnamese Excel 2000 or earlier. There may be some Vietnamese-specific formulas that are not supported in Excel 2002 or later. If you open and convert a file from Vietnamese Excel 2000 or earlier, saving it within Excel 2002 or later may adversely affect some text and number formatting.
Sorting You might experience different sort order results depending on the Regional Settings or Regional Options setting of the Microsoft Windows operating system you are using.