No it's not hyphenated: biweekly.
The spelling is one word, non-hyphenated, "biweekly" (every two weeks).
Bi-Weekly
bi weekly (every 2 weeks) twice a month.
Bi weekly
Bi weekly
depends on the company. Weekly, bi-weekly or monthly.
Bi weekly
Bi weekly and at my store its on thursdays
Bi weekly
bi weekly
bi weekly
bi-weekly