如何在Excel中向一列的每个单元格追加文本？我需要在末尾添加逗号（","）。
示例:
email@address.com 转换为 email@address.com,
数据样本:
m2engineers@yahoo.co.in
satishmm_2sptc@yahoo.co.in
threed_precisions@rediffmail.com
workplace_solution@yahoo.co.in
threebworkplace@dataone.in
dtechbng@yahoo.co.in
innovations@yahoo.co.in
sagar@mmm.com
bpsiva@mmm.com
nsrinivasrao@mmm.com
pdilip@mmm.com
vvijaykrishnan@mmm.com
mrdevaraj@mmm.com
b3minvestorhelpdesk@mmm.com
sbshridhar@mmm.com
balaji@mmm.com
schakravarthi@mmm.com
srahul1@mmm.com
khramesh2@mmm.com
avinayak@mmm.com
rockindia@hotmail.com