Limits
Microsoft Excel has some hardcoded limits Excel Specifications
//Total number of characters that a cell can contain
const ExcelCellLimit = 32767
//Total number of rows on a worksheet
const ExcelRowLimit = 1048576
//Total number of columns on a worksheet
const ExcelColumnLimit = 16384
//Maximum column width
const ExcelColumnWidthLimit = 255
//Maximum row height
const ExcelRowWidthLimit = 409
//Total number of characters that a header/footer can contain
const ExcelHeaderFooterLimit = 255
//Total number of hyperlinks in a worksheet
const ExcelHyperlinkLimit = 66530
//Total number of characters that a sheet name can contain
const ExcelSheetNameLimit = 31
//Total number of characters that a cell formula can contain
const ExcelFormulaLimit = 255
//[1] Total number of characters that an url can contain
const UrlLimit = 2000
//[2] Total number of characters that a file path can contain**
const FilePathLimit = 32767
[1] Url limit
[2] Filename limit