ContributionsMost RecentMost LikesSolutionsRe: Excel DDT :cathappy:I found the bug. I forgot to add parameter true to the driver creation. "driver = DDT.ExcelDriver(file, name, true)" Re: Excel DDT I installed the ACE, (according to: ) looked at the registry - it seems OK. I'm still getting error: "JScript run time error" !!! It falls on the line: "driver = DDT.ExcelDriver(file, name)". I created a var to the excel sheet. When i'm editing the "sheet" using TC editor, the editor opens the sheet and recognizes the rows and column with no problem. Excel DDT In order to work with excel DDT, must I install official Microsoft office? I wrote a code using DDT. It workes fine on a computer with Office installation. I'm getting run time error on a PC without Office. Solved