SQL1 = "SELECT * FROM `Imported Data$`"
SQL2 = " WHERE (`Imported Data$`.Letter_Code='" & LtrTemp & "')"
ActiveDocument.MailMerge.OpenDataSource Name:=offerdatafile, _
ConfirmConversions:=False, ReadOnly:=False, LinkToSource:=True, _
AddToRecentFiles:=False, PasswordDocument:="", PasswordTemplate:="", _
WritePasswordDocument:="", WritePasswordTemplate:="", Revert:=False, _
Format:=wdOpenFormatAuto, Connection:=strConnection _
, SQLStatement:=SQL1, SQLStatement1:=SQL2, SubType:= _
wdMergeSubTypeOther