Stack Rows. Append each monthly file vertically instead of joining records by a match field.
Recurring report workflow
Merge Monthly Sales CSV Files
Combine January, February, March and later sales exports into one longer dataset. For recurring files with the same kind of columns, Stack Rows is usually simpler than matching records by a key.
🔒 Local processing for normal jobsNo match key required
Recommended setup
Columns with equivalent normalized headers line up. Genuinely different column names remain separate.
Equivalent-number and spacing match rules apply to joins, not Stack Rows.
How to stack monthly sales files
- Add all monthly CSV or Excel files you want to combine.
- Select the relevant sheets. If a report starts with title rows or notes, choose the row that actually contains the column headers.
- Choose Stack Rows. Review the available output columns and make sure equivalent monthly fields are aligned as expected.
- Preview the combined rows, then download one Excel workbook.
This workflow is best when the files represent the same kind of records over different periods. If the files contain different information about the same orders or customers, use a join instead.
Common stacking problems
A report title above the true headers can create unusable columns. Set the Header row first.
Two columns with similar names should only be aligned if they actually represent the same field.
If a later month adds a new field, that column can appear only for rows from files that contain it.
🔒
Normal monthly files stay on your device.
MergeStudio processes normal local jobs in the browser.
Combine the monthly exports
Stack recurring files into one clean workbook without manual copy-paste.
Open MergeStudio →Stack Rows is designed for similar file schemas. Review the output columns when monthly export formats change.