Ravindra BagaleCourses & study guides Track your progress

Guides

Applied Steps in Power Query

Applied Steps are the recorded recipe of a Power Query query. Every transform you click becomes a step. On refresh, Power Query replays the list on the latest source data — the Excel file itself stays untouched.

Friends! Students clean once and panic next month. Why? They never named the steps. How? We open a messy FreshBasket sales sheet in Power Query, watch Applied Steps grow, rename them, click back in history, and use the gear to edit. Refresh is just “play the recipe again”.

Quick answer

Vertical path:

  1. Home → Transform data (Power Query Editor).
  2. Watch Applied Steps on the right: Source, Navigation, Changed Type…
  3. Do a clean action (filter blank City) — a new step appears.
  4. Right-click → Rename the step in plain English.
  5. Click an older step to see which rows still existed then.
  6. Close & Apply when the preview looks right.

Real example: blank city rows before totals

Messy import:

City Year Channel Amount
Mumbai 2025 Online 100
2025 Store 50
Pune 2025 Online 40

Before: three rows. A careless SUM might still be 190, but the blank city breaks slicers and relationships stories.

After you filter out blank City (new Applied Step):

  1. Rows that stay: Mumbai 100 and Pune 40.
  2. Row that leaves: the blank-city 50.
  3. Total becomes 140.
  4. The step list now shows something like Removed blank City.
  5. Next month’s refresh runs the same filter on new rows.

Why the step list is the helper: without it you cannot see when the blank disappeared, and you cannot undo just that action safely.

What do I need before this guide?

Before and after (look at the tables first)

Before applied steps filter Sales rows including blank city.

Before

After applied steps filter Blank city row removed by step.

After

Tour of the step list

Power Query Steps List Every click in Power Query becomes an Applied Step. Refresh replays the list on new data. Power Query Steps List Every click in Power Query becomes an Applied Step. Refresh replays the list on new data.

Every click in Power Query becomes an Applied Step. Refresh replays the list on new data.

Power Query Step Rename Rename steps like Removed blank rows. Click a middle step to see the table as it was then. Power Query Step Rename Rename steps like Removed blank rows. Click a middle step to see the table as it was then.

Rename steps like Removed blank rows. Click a middle step to see the table as it was then.

  1. Source — where the file or database lives.
  2. Navigation — which sheet or table you picked.
  3. Promoted Headers / Changed Type — often automatic.
  4. Your steps — filters, splits, merges — in order.
  5. Click any step: the centre preview time-travels to that moment.
Power Query Step Gear The gear icon reopens the dialog for that step. Deleting a middle step can break steps below it. Power Query Step Gear The gear icon reopens the dialog for that step. Deleting a middle step can break steps below it.

The gear icon reopens the dialog for that step. Deleting a middle step can break steps below it.

Why the gear exists: many steps were born from a dialog (filter, split, merge). The gear reopens that dialog so you edit settings without rewriting M by hand.

Safe habits

  1. Rename every important step.
  2. After deleting a middle step, click the last step and check for errors.
  3. Do not fight automatic Changed Type — verify it (next guide: data types).
  4. Remember: Power Query does not rewrite your Excel file.

Mistakes and calm fixes

Symptom Likely cause Fix
Error after delete Later step needed that column Undo / restore step; fix order
Mystery filter Untitled step Rename; click preview
Source file “changed” Myth Only the query recipe changed
Refresh differs from preview Different privacy / file path Check Data source settings

Ravindra Bagale's Tip

Interview line: “Applied Steps are the refresh recipe. I rename them and click back in history before I delete anything in the middle.” Got it?

Practice task

  1. Load a small messy sheet.
  2. Remove blank cities; rename the step.
  3. Click Source, then your filter step — watch rows appear and disappear.
  4. Close & Apply and check the total on a card.

Learn it properly

Course lesson:

Related: Data types · Duplicate vs Reference

Got it? Applied Steps = the recipe refresh plays. Rename them, click history, edit with the gear. Next: data types. Let us go ahead.

Frequently asked questions

What are Applied Steps?

The recorded list of transformations for a query. Refresh runs them again on the latest source data.

Can I delete a middle step?

Yes, but later steps may break if they needed that column or filter. Check the preview after delete.

Why rename steps?

So you and your teammate can read the recipe six months later without guessing.

Changed Type appeared alone?

Power Query often adds it automatically. Verify PIN codes stayed Text.

Does Power Query change the Excel file?

No. It only records steps and refreshes into the model. The source file stays as it is.

Course lesson?

Applied Steps in Power Query essentials.