Options include:

- Embedding advice in the report for users that gridlines can be enabled using the 'Tools - Options - View - Gridlines' option

- Using built-in report formatting, such as cell borders or alternating background colours of lines or sets of lines (banding) (This will only format the data area)

- Enhancing the CRT with a third-party Excel renderer that employs Excel templates (eg SoftArtisans OfficeWriter, Aspose.Cells