Is there a way to import a set of field records without it overwriting existing records ?

Using the Asset Import option under Asset/CIs, is there a way to update a field or selected fields without wiping all other Asset data  ?

For example, I just want to update Warranty Date on a set of 10 assets.

If I use the Asset Import option to import a XLSX file with just Serial Number, Service Tag and Warranty Date.

I noticed all other existing data will get replace with blanks.

Please let me know. Thank you .

Mark