why date showing as number in excel

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
why date showing as number in excel	1.88	0.1	9131	73	35
why	1.07	0.5	5601	52	3
date	1.56	0.2	7133	35	4
showing	0.45	0.2	4296	93	7
as	1.38	1	5179	28	2
number	0.5	0.5	9653	74	6
in	1.03	0.9	2445	45	2
excel	0.27	0.9	8292	84	5

Keyword	CPC	PCC	Volume	Score
why date showing as number in excel	1.82	0.4	8724	44
why is date showing as number value in excel	0.86	0.6	9460	47
why is my date showing as a number in excel	0.76	0.7	3725	51
why is the date showing number signs in excel	1.84	0.1	4888	70
date in excel is showing as number	1.76	0.1	9750	16
excel date value showing as number	0.43	1	5323	16
date appearing as number in excel	1.74	0.5	7480	74
excel date shows as number	0.79	0.7	6148	11
what is the date value in excel	1.74	0.2	8507	39
date in excel is a number	1.17	0.3	5547	79
date displaying as number in excel	1.82	0.7	2988	6
why is excel putting numbers as dates	1.55	1	547	94
excel if value is date	0.59	0.4	5573	98