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Google Sheets cleanup checklist for assistants

A repeatable assistant workflow for cleaning names, dates, blanks, duplicates, and combined fields in Sheets. This page is built for virtual assistants, admin assistants, data assistants who need to run sheet cleanup tasks without rebuilding instructions.

Where this workflow helps

clean contact listsfollow a repeatable cleanup checklist when the source material is messy, repetitive, or too slow to handle by hand.
split names and addressesfollow a repeatable cleanup checklist when the source material is messy, repetitive, or too slow to handle by hand.
flag duplicatesfollow a repeatable cleanup checklist when the source material is messy, repetitive, or too slow to handle by hand.
standardize date formatsfollow a repeatable cleanup checklist when the source material is messy, repetitive, or too slow to handle by hand.

Common friction

  • assistants receive unclear cleanup requests
  • manual edits are hard to audit
  • duplicate rules change by task
  • source tabs get overwritten

Repeatable process

  1. Duplicate the raw tab before editing.
  2. Confirm the final columns and duplicate rules.
  3. Use AI to produce cleanup steps and formulas.
  4. Review exceptions before handing off the clean sheet.

Reusable prompts

Open prompt pack

Build a Google Sheets cleanup checklist for an assistant handling this export.

Tell me which rows need manual review before I deliver the cleaned sheet.

Create formulas for splitting, trimming, deduplicating, and standardizing this contact list.

Tools to compare first

Full comparison
ToolBest forUse it whenLink
ChatGPTDrafting formulas, prompts, replies, and first-pass workflowsA general-purpose assistant that works well for quick draft generation and iterative prompting.Visit
Microsoft CopilotExcel and Microsoft 365 workflowsBest matched to teams already living in Excel, Word, Outlook, and the Microsoft stack.Visit
Google GeminiGoogle Workspace users and mixed research workflowsUseful for teams that want AI help close to Docs, Sheets, and search-heavy research.Visit
ZapierConnecting tools and automating repeatable stepsGood for sending alerts, moving data between apps, and reducing routine manual work.Visit

Mistakes to avoid

not asking what counts as a duplicate

Make the prompt more specific, keep the source data visible, and review the output before using it in a live workflow.

deleting source data

Make the prompt more specific, keep the source data visible, and review the output before using it in a live workflow.

changing column names without approval

Make the prompt more specific, keep the source data visible, and review the output before using it in a live workflow.

skipping a final exception review

Make the prompt more specific, keep the source data visible, and review the output before using it in a live workflow.

Search intents covered

Google Sheets cleanup checklist assistantAI sheet cleanup VAassistant data cleanup workflow

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