Excel Text Data Entry

I need to populate an Excel workbook with text‐only records that come to me in flat files (typically CSV or TXT). All fields must be transferred exactly as they appear, placed into the correct columns, and saved back in .xlsx format... (Budget: $15 - $25 USD, Jobs: Data Cleansing, Data Entry, Data Management, Data Processing, Excel, Excel Macros, Excel VBA, Visual Basic)