A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data.
You can only add filters of the type *.extension.
If you want to impose restrictions on the file name, use Application.FileDialog(msoFileDialogOpen) and specify the InitialFileName argument, for example:
...
myFilter = "*.xls*"
With Application.FileDialog(msoFileDialogOpen)
.Title = "Select Checklist to Import"
.InitialFileName = "*6300*.xls*"
.InitialView = msoFileDialogViewList
.Filters.Clear '1/24/2012 Barb Reinhardt
.Filters.Add "Excel Files", myFilter
...