is this a valid excel file r

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
is this a valid excel file r	0.21	0.2	3953	18	28
is	1.55	0.4	4576	50	2
this	0.36	0.6	1569	27	4
a	1.4	0.5	5790	29	1
valid	1.66	0.5	8907	75	5
excel	1.15	0.6	5845	30	5
file	1.63	0.2	2168	85	4
r	0.87	0.1	1490	45	1

Keyword	CPC	PCC	Volume	Score
is this a valid excel file rstudio	1.04	0.4	5347	18
is this a valid excel file r	1.03	0.9	771	28
how to recover excel file extension not valid	0.79	0.1	4889	49
repair excel file format is not valid	0.11	0.3	3991	34
r error is this a valid excel file	1.51	1	3029	55
is this a valid excel file	1.66	0.7	5788	36
r code to read excel file	0.11	0.4	9484	2
excel file in r	0.53	0.2	4879	84
read a excel file in r	1.94	0.4	8807	67
working with excel files in r	1.91	0.1	1952	38
read excel files in r studio	0.33	0.3	6589	91
how to read excel file in rstudio	0.68	0.2	7033	32
how to open excel file in rstudio	0.93	0.1	1494	47
how to load excel file in rstudio	0.92	0.9	1057	73
how to use excel data in rstudio	1.38	1	9697	36
how to open excel in rstudio	0.81	0.4	3045	7
how to import excel file in rstudio	0.74	1	2478	67
excel files not showing up in rstudio	1.43	0.7	8972	97
rstudio read_excel	0.73	0.6	8912	41
how to upload excel file into rstudio	0.9	1	509	2
rstudio write to excel	0.4	1	3549	67
how to import excel to rstudio	1.46	0.4	1052	5
how to import excel data to rstudio	1.56	0.4	1261	28
r studio read excel	1.74	0.6	2017	32
rstudio could not find function read_excel	1.38	0.9	3327	53