Keyword Analysis & Research: excel file format is not valid xls

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
excel file format is not valid xls	0.73	0.4	1259	21	34
excel	0.64	0.2	9299	38	5
file	0.68	0.4	5254	90	4
format	1.16	0.1	2466	48	6
is	0.97	0.3	5201	87	2
not	1.8	0.6	1345	50	3
valid	0.57	0.5	1092	24	5
xls	0.79	0.3	3269	40	3

Keyword	CPC	PCC	Volume	Score
excel file format is not valid xls	0.96	0.9	1360	86
file format extension is not valid excel	0.29	0.5	3649	14
excel file format is not valid error	0.43	0.6	5782	63
excel format is not valid	1.8	0.6	2255	74
xlsx file format is not valid	0.87	0.8	5837	79
excel file format or extension not valid	0.56	0.5	5643	43
fix excel file format not valid	0.96	0.6	2674	66
excel format extension not valid	1.2	0.1	8582	64
can't open excel file format not valid	0.47	0.8	4485	67
excel file extension xlsx not valid	0.17	0.1	2751	2
excel file extenstion not valid	0.07	0.8	7002	95