Deedle93

This advice assumes you are somewhat familar with creating macros and VB.

Try writing a VB Macro for each identifier (A, B, etc) that you want to
create a unique list for. Make sure your 'All Data' Sheet has the
Auto-Filter ON for the identifier column. The seperate macro codes read as
follows:

Sub Identifier_A() 'and B, and C etc.

Selection.AutoFilter Field:=1, Criteria1:="a" 'and similarly for B, C,
D, etc
Columns("A:C").Copy 'these are the colums with data you want to copy
Sheets("SheetA").Select 'Change "SheetA" to reference each Identifier tab
Columns("A:C").Select 'same column references as above
Selection.PasteSpecial Paste:=xlPasteValues, Operation:=xlNone,
SkipBlanks _
:=False, Transpose:=False
Range("A1").Select
Sheets("Sheet1").Select 'This returns you to your All Data sheet
Application.CutCopyMode = False
Selection.AutoFilter Field:=1
Range("A1").Select
End Sub

You will initially need to create the tabs for each identifier. Make sure
to name them identically to the names referenced in the VB code so the macro
knows who they are. This process will overwrite any existing data in the
sheets each time you use the macro.

Hope this is what you were looking for.

--
Regards...


"deedle93" wrote:

I'm trying to figure out how I can automatically have data inserted into one
worksheet copied to another based on an identifier. For example...In my
first worksheet (i'll call it "all data") I want to use the first column to
give each line item an identity (in this case either the letter "a" or the
letter "b"). Once I've input all of my line items I want to have a formula
that will automatically copy all the line item data for those lines
identified with an "a" to a separate worksheet (I'll call it "A"). I want to
be able to do the same for by "b" line items. In the end I should have three
worksheets. the first contains all by "a" and "b" items in aggregate. The
second is only the "a" items (as extracted by the formula using the "a"
identified) and the third worksheet is the "b" items (as extracted by the
formula using the "b" identifier). Can this been done? Could I reverse it
and somehow input the data into the "a" and "b" worksheets and then use a
command to aggregate them into the "all data" worksheet?