Extract Data from Access Record

I need to extract data between _xxx_ based on the sample records below  to a separate Access field... for example MP1
Also I need to extract the data between the last underscore and the period to a separate Access field... for example Mike Smith

Sample Records:
 05_History_MP1_Patricia Ashley.csv
06_Math_MP2_Mike Smith.csv
shieldscoAsked:
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Rey Obrero (Capricorn1)Commented:
are all the files .csv files?

place this function in a regular module

Function fnParseInfo(vString As Variant, idx As Integer, Optional Delimiter As String = "_") As String

   Dim myArray() As String
   vString = Replace(vString, ".csv", "")
   myArray = Split(vString, Delimiter)

   If idx < 0 Or idx > UBound(myArray) + 1 Then
      fnParseInfo = ""
  Else
      fnParseInfo = myArray(idx - 1)
   End If
End Function

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then create a query like this

select [fieldname], fnParseInfo([fieldname], 3) , fnParseInfo([fieldname], 4)
from tableName

.
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Rey Obrero (Capricorn1)Commented:
to handle al types of files
change

vString = Replace(vString, ".csv", "")
with

vString= Left(vString, InStr(vString, ".") - 1)
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