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Popular Excel tutorials
Trusted walkthroughs for the Excel questions people run into most often.
Popular guide
Add text to the beginning or end of cells
Add prefixes or suffixes across a column using formulas, Flash Fill, or VBA.
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Dates & time
Convert a date to the day of the week
Display weekday names from any date with simple formatting and formulas.
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Formulas
Use multiple IF statements with AND/OR
Build formulas that test several conditions and return the right result.
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Data checks
Compare two columns using VLOOKUP and IF
Match values, find differences, and flag missing entries across two lists.
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Data cleanup
Fill blank cells with the value above
Complete sparse datasets quickly without copying and pasting row by row.
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Dates & formulas
Use the IF function with dates
Test deadlines, date ranges, and milestones with practical IF examples.
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Fresh from the library
Latest Excel articles
New tutorials and updated walkthroughs, published regularly.
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Excel Flash Fill Not Working – How to Fix?
Flash Fill can turn one example into a completed column, saving you from typing or copying the same…
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How to Convert Julian Date to Calendar Date in Excel (5-Digit, 7-Digit, and JDE)
Converting a Julian date in Excel turns a compact year and day code into a calendar date you…
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Pivot Table Not Refreshing – How to Fix?
When a PivotTable does not refresh, its report can keep old totals or omit newly added records. A…
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How to Use Custom AutoFilter in Excel (AND/OR Conditions and Wildcards)
When a regular filter checklist isn’t specific enough, Custom AutoFilter lets you filter a column with operators such…
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How to Create an Aging Formula in Excel (30, 60, 90 Days)
An aging report sorts unpaid invoices by how many days they are past due. It shows which balances…
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How to Make Tally Marks in Excel
Tally marks give you a quick visual count of votes, survey answers, attendance, or anything else you record…
Your guide to better spreadsheets
Hi, I’m Steve Scott.
I created Spreadsheet Planet to share the practical Excel techniques I was learning and using every day. What began as a side project has grown into a library that helps thousands of learners solve spreadsheet problems more confidently.
Excel is more than software—it is a career skill. My goal is to make every tutorial clear, useful, and easy to put into practice right away.
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