Hi Kulcsár,
Greetings from syncfusion support
We have analyzed your query and we have checked exporting the Grid with number column. In exported excel document the number column has the number type only. Please refer the below sample for more information.
In this below sample we have the number column “UnitsInStock”.
If we misunderstood anything wrongly, please share the below details that will be helpful for us to provide better solution.
1) Share us your exact requirement scenario with detailed description.
2) If possible, explain your requirement scenario with pictorial representation or video demonstration.
3) And share the video demonstration of what you are mentioning wrong in our shared sample.
Regards,
Rajapandi R