Practical guides for cleaner spreadsheet work.

Short, focused explanations for converting files, fixing formatting issues, and choosing the right spreadsheet format.

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How to Convert CSV to Excel on iPhone and iPad (Free)

How to Convert CSV to Excel on iPhone and iPad (Free) You got sent a CSV file on your iPhone — an invoice export, a contacts list, a […]

12 min read →
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How to Fix the ‘SYLK: File Format Is Not Valid’ CSV Error in Excel

How to Fix the 'SYLK: File Format Is Not Valid' CSV Error in Excel That alarming "SYLK: File format is not valid" dialog is not telling you your […]

13 min read →
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How to Import Salesforce and HubSpot CRM CSV Exports Into Excel

How to Import Salesforce and HubSpot CRM CSV Exports Into Excel Exporting contacts, leads, and deals out of a CRM sounds simple — but if you have ever […]

10 min read →
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How to Convert Amazon Seller CSV Reports to Excel

How to Convert Amazon Seller CSV Reports to Excel Amazon Seller Central hides most of your real business numbers inside CSV downloads — order reports, settlement reports, and […]

10 min read →
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How to Convert PayPal CSV Transaction History to Excel

How to Convert PayPal CSV Transaction History to Excel To convert your PayPal transaction history to Excel, download the CSV from PayPal under Activity > Statements > Custom […]

11 min read →
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How to Fix Decimal-Comma Numbers When a CSV Opens in Excel

How to Fix Decimal-Comma Numbers When a CSV Opens in Excel To fix decimal-comma numbers from a CSV in Excel, do not open the file by double-clicking — […]

10 min read →
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How to Turn Imported CSV Data Into a Real Excel Table

How to Turn Imported CSV Data Into a Real Excel Table To turn imported CSV data into a real Excel Table, click anywhere inside the imported data and […]

10 min read →
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How to Merge Two CSV Files in Excel (VLOOKUP and XLOOKUP)

How to Merge Two CSV Files in Excel (VLOOKUP and XLOOKUP) To merge two CSV files in Excel, import each CSV onto its own sheet, pick the column […]

11 min read →
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How to Use Flash Fill to Clean CSV Data in Excel

How to Use Flash Fill to Clean CSV Data in Excel To clean CSV data in Excel with Flash Fill, type the result you want in the cell […]

10 min read →
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How to Convert Stripe Payout and Transaction CSVs to Excel

How to Convert Stripe Payout and Transaction CSVs to Excel To convert a Stripe CSV to Excel, download the payout or transaction export from your Stripe dashboard, open […]

10 min read →