mail merge field not showing up

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
mail merge field not showing up	0.44	0.1	4127	98	31
mail	0.58	0.8	269	18	4
merge	0.51	0.2	3207	76	5
field	1.45	0.7	38	53	5
not	0.94	0.5	5909	54	3
showing	1.09	0.9	5013	91	7
up	0.58	0.7	2716	17	2

Keyword	CPC	PCC	Volume	Score
mail merge field not showing up	0.53	0.1	3614	51
mail merge field showing 0	0.28	0.7	3382	38
merge field in mail merge	0.16	0.9	5192	71
mail merge not showing all data	1.56	1	454	74
mail merge not showing in sent items	1.15	0.8	6409	19
adding merge fields in mail merge	0.23	0.1	9590	42
insert mail merge field is grayed out	0.57	0.7	8174	28
mail merge not showing all recipients	1.91	0.1	4450	68
add a mail merge field	0.78	0.4	3944	14
mail merge fields contain	0.77	0.4	943	95
mail merge additional fields	1.23	1	9336	24
mail merge not working	0.65	1	3147	98
how to insert mail merge fields	1.69	0.1	8479	89
mail merge not sending emails	0.4	0.2	714	86
insert mail merge field greyed out	0.24	1	2010	16
mail merge fields are always surrounded by	0.96	0.7	5121	93
microsoft word show mail merge fields	0.51	1	2856	74
word show mail merge fields	0.08	0.1	8043	38