i need to format a column as microseconds ? how do i do this

i need to format a column as microseconds ? how do i do this
eg : hh:mm:ss.___

Format>Cells>Custom
In the Type box, enter

hh:mm:ss.000

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Kind Regards,

Niek Otten

Microsoft MVP - Excel

"SMT" <[email protected]> wrote in message
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>i need to format a column as microseconds ? how do i do this
> eg : hh:mm:ss.___