A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data.
Hi,
First step:
select your data than choose on Home tab Conditional Formatting > New Rule > Rule typ: Use a formula to determine... > Formula is: =ISBLANK(AddressOfTheActiveCell) > choose a format > OK.
Second Step:
Now you can sort the data by the conditional formatting (example see figure):

Regards,
Frank
If this post answers your question, please mark it for all readers as the Answer.