AI tools for CSV & Excel data analysis
Honest guides and comparisons on turning spreadsheets into answers — CSV analysis, Excel and xlsx, plain-English AI queries, reports, and team collaboration.
CPA vs CPL, and Why Your Number Is Wrong
The naming argument takes twenty seconds. The arithmetic underneath — averaging a rate column, where a $2 day weighs as much as a $2,000 day — is in almost every spreadsheet.
How-to · 2026Combining Google, Meta and LinkedIn Exports Into One Table
Three column vocabularies, a spend figure in millionths, dates that mean different things, and one column you must not add up.
Guide · 2026CTR, CPC and CPM: What Your Export Column Is Not Telling You
Three rate columns that are correct for their own row and wrong in every total built by averaging them. What each rate is really sensitive to.
Guide · 2026Why Your Ad Platform Conversions Do Not Match Shopify
Three platforms claim more purchases than your store recorded and none of them is lying. The four causes, and which are fixable.
Guide · 2026Why Your Win Rate Keeps Changing (Three Definitions, One Word)
Deals over deals, value over value, or won over the whole pipeline — three formulas on one export, twenty points apart, all called win rate.
How-to · 2026Win Rate by Sales Rep, Without Building Another Pivot
The most-requested CRM breakdown, and the two ways it silently misleads: reps who vanish from the table, and rankings built on four deals.
Guide · 2026Weighted Pipeline Is Not a Forecast
Every CRM shows the figure and almost no board knows what it is. What amount times stage probability assumes, and the four things it cannot know.
How-to · 2026Why Is My Open Pipeline Showing Zero?
A confident zero from a report with ninety open deals behind it. The date field is nearly always the cause, and the check is one formula.
Guide · 2026Contribution Margin by Product Category: The Calculation, and the Four Choices Nobody Writes Down
Gross margin says a category is healthy; contribution margin says it loses money. The allocation decisions underneath the difference, and what each one costs you.
Guide · 2026Net Sales vs Gross Sales in Shopify: Why Your Three Reports Disagree
Four numbers, one word, and a finance team that never matches the dashboard. What each figure includes, and the two places the gap always comes from.
How-to · 2026Gross Margin by SKU From a Shopify Export: The Cost Data Nobody Has
The formula is one line. The obstacle is that unit cost is not in the order file — and a missing cost silently reports a product at 100% margin.
Guide · 2026Attributing Refunds to the Right Month: The Choice That Changes Every Series
A January order refunded in February can reduce either month. Both are defensible, they give different numbers, and most reports never say which.
How-to · 2026Joining Shopify and Ad Exports: The Step Every Margin Metric Assumes
Two files at different grains, joined through attribution nobody fully trusts. The keys that work, and why the spend you cannot match belongs on screen.
Guide · 2026Why Inventory Turnover Is Not in Your Dashboard (And What Is)
The denominator is a balance, not a sum, and no sales export contains it. Why the current stock level is not a substitute, and what to measure instead.
Guide · 2026Utilization, Realization, and Effective Rate: Calculating All Three From Your Exports
Three numbers every services firm quotes and routinely conflates. What each measures, the export it needs, and the capacity problem that makes utilization the hard one.
How-to · 2026How to Calculate Utilization Rate in Excel (Formula, Capacity, and the Honest Version)
The SUMIFS build, three ways to set the capacity denominator, and why the person who logged nothing is the one your formula gets most wrong.
How-to · 2026Realization Rate Formula (and the Write-Off It Hides)
Invoiced over standard value, a worked example, and the three different problems a low realization rate can mean.
How-to · 2026Project Profitability From a Timesheet Export (Two Margins, Not One)
Delivery margin and project margin answer different questions. Where the cost rate comes from, and why fixed fee is where this earns its keep.
How-to · 2026How to Consolidate Purchase Orders in Excel (Group and Total by PO Number)
One row per PO with the full total beside it — and the 15-digit matching trap that merges two purchase orders into one without an error.
How-to · 2026Combining Harvest and QuickBooks Exports (Hours on One Side, Invoices on the Other)
The join key that actually matches, the mapping table that makes it survive next month, and five reasons the totals will never agree.
Guide · 2026The Monthly Reporting Pack for a Small Consulting Firm (Six Blocks)
The internal pack, not the client one. Six blocks on two pages, plus three tempting metrics that are better left out.
Data · 2026AI Pricing Comparison 2026: Copilot vs ChatGPT vs Claude vs Gemini
Verified list prices from every vendor page, the usage caps sitting behind them, and what a 10-person team actually pays per year. Two widely-cited roundups have the Workspace price wrong by 30%.
Data · 2026AI Hallucination Statistics 2026: Rates, Benchmarks & Why They Disagree
Published rates run from 0.7% to 94% — the benchmark decides the number. Includes the text-to-SQL cliff: 86.6% accuracy on academic schemas, 10.1% on enterprise ones.
Data · 2026AI Agent Harness Pricing 2026: What They Really Cost
Hermes, OpenClaw, Grok Bot, DeepSeek Harness and the rest. Four are free to licence; one still bills $400 a month. Plus the 73% overhead nobody budgets for.
Comparison · 2026Microsoft 365 Copilot for Excel: Pricing, Limits & Alternatives
Copilot costs $32/user/month, works on one table at a time, and needs your file in OneDrive. What you get, what it can’t do, and how to cover the gap.
Comparison · 2026Claude for Excel: What It Does, and Where It Stops
The Claude sidebar reads the workbook you have open — it can’t switch files or reach your team’s shared data. Where the add-in shines, where it stops, and what to pair it with.
Comparison · 2026ChatGPT for Excel & Data Analysis: Where It Stops
ChatGPT projects cap at 5–40 files and don’t sync with your source data. What it does brilliantly, the limits nobody mentions, and how to use both together.
Comparison · 2026AI for Google Sheets: What Gemini Can’t Do
Gemini is included with Workspace, but it struggles past a few hundred rows and can’t reach your Drive files. An honest look, including a table that foots perfectly and still can’t be trusted.
Data · 2026Google Sheets Statistics 2026: Users, Market Share & Adoption
How many people use Google Sheets, the real Sheets-vs-Excel picture (it depends how you count), and where each one dominates — a sourced roundup.
Data · 2026Spreadsheet Statistics 2026: Usage, Errors & What They Cost
How many people use spreadsheets, how often they contain errors (spoiler: 94%), and the real cost of getting it wrong — a sourced roundup.
Data · 2026AI at Work Statistics 2026: Adoption, Productivity & ROI
Who's actually using AI at work in 2026, what for, and why measurable ROI still trails adoption — sourced stats you can cite.
Trends · 2026How Agentic AI Is Reshaping E-Commerce — and What to Do About It
AI agents are already shopping on behalf of customers, zero-click searches are climbing, and your data is going stale faster than ever. Here's what to pay attention to and where to focus.
Guide · 2026Why Your Team Gets Different Numbers from the Same Spreadsheet
When three people pull revenue from the same file and come back with three different answers, the data is almost never wrong. The definitions are — and here's how to fix that.
How-to · 2026How to Run Your Business from a Spreadsheet (and Know When to Stop)
Build a single spreadsheet that gives you revenue, costs, and margin at a glance — SUMIFS, rolling TODAY() formulas, conditional formatting, and the signals that say you've outgrown it.
How-to · 2026Python Is Now in Excel — What Non-Coders Should Use Instead
Microsoft added Python to Excel Copilot in 2026. It's real, and it's powerful — if you write Python. Here's what to do if you don't.
Guide · 2026COUNTIFS & SUMIFS with Multiple Criteria in Excel
How to count or sum rows that meet more than one condition — COUNTIFS, SUMIFS, OR-logic and unique counts, the traps that quietly return wrong numbers, and a one-line way to just ask for the answer.
Guide · 2026How to Compare Two Excel Sheets and Find What's Different
Find rows in one sheet but not the other, spot mismatched values, and reconcile two exports — COUNTIF, XLOOKUP, conditional formatting, the key-column traps, and a plain-English shortcut for the difference list.
Guide · 2026Stop Rebuilding the Same Excel Report Every Week (No VBA)
Make an Excel analysis update itself when new data lands — Tables, dynamic arrays, PivotTables and Power Query, no macros — plus how to write the question once and let your team reuse it.
How-to · 2026How to Convert a Picture to Excel (Data from a Photo or Screenshot)
Turn a photo or screenshot of a table into editable Excel cells with Data from Picture — on desktop and mobile — plus what to do when the table is messy or trapped in a PDF.
How-to · 2026Center Across Selection in Excel (The Better Alternative to Merging Cells)
Center a heading across several columns without merging cells — keep the centered look but stop breaking sorting, filtering, copy-paste, and formulas.
How-to · 2026How to Analyze a CRM Export in Excel (HubSpot, Pipedrive, Salesforce)
Export your deals and answer what the CRM dashboard won't — win rate by source, pipeline by stage this month, stuck deals — plus the dirty-data trap that quietly breaks your pivots.
Guide · 2026Stop Being the Report Bottleneck: Let Your Team Ask Instead of Requesting
Dashboards don't stop ad-hoc requests, because the follow-up is the question nobody anticipated. The three buckets of data requests and what each one actually needs.
How-to · 2026How to Build a Monthly Client Reporting Pack (Without Losing a Day to It)
The data shape, the metric definitions, and the five blocks that make client reporting repeatable — so month two takes twenty minutes instead of a day.
How-to · 2026How to Send a Separate Report to Each Client From One Spreadsheet
Split a master sheet with Show Report Filter Pages, export a file per client, and route each one from a recipient mapping table — without sending Client A's numbers to Client B.
How-to · 2026How to Write a Monthly Business Report From Your Spreadsheet Data
Turn thousands of rows into six sentences someone will act on — the four questions the report must answer, the formulas behind them, and where AI genuinely helps versus where it invents figures.
How-to · 2026How to Send a Weekly KPI Report to Slack from Google Sheets
A working Apps Script that reads your summary tab and posts it to a Slack channel on a weekly trigger — plus the no-code options and the message format people actually read.
How-to · 2026How to Email an Excel Report Automatically on a Schedule (No VBA)
Four routes that put a finished report in people's inboxes on a timer — a Power Automate recurrence flow, Office Scripts to refresh first, VBA with Task Scheduler, and the Apps Script version for Sheets.
Guide · 2026Why AI Gives You a Different Number Every Time (and How to Fix It)
AI returns a different figure each run because it guesses what your metrics mean. How a semantic layer — Company Context — makes the numbers consistent: define once, same answer every time.
How-to · 2026How to Calculate ROAS by Channel in a Spreadsheet
Build true per-channel ROAS with SUMIFS, work out the break-even ROAS your margin needs, and cross-check with blended MER — the number platform ROAS can't inflate.
How-to · 2026Sales Pipeline Analysis in a Spreadsheet (Conversion, Velocity, Coverage)
Six formulas that turn a deal list into a defensible forecast — stage conversion, win rate, aging, sales velocity, coverage ratio, and a weighted forecast.
How-to · 2026How to Merge Multiple CSV Files Into One (Stack or Join)
Stack same-shape exports with Power Query or one command line, join files on a shared key — and the quickest way to join two CSVs and download the combined file.
How-to · 2026How to Use the LET Function in Excel (with Clear Examples)
Name values inside a formula to make long formulas shorter, faster, and readable — syntax, a simple example, and a before-and-after nested-formula rewrite.
How-to · 2026How to Freeze a Row in Excel (Lock or Pin the Top Row)
Keep your header row visible while you scroll — freeze the top row, freeze several rows at once, freeze rows and columns together, and unfreeze.
How-to · 2026How to Remove Duplicates in Excel (3 Ways)
Delete duplicate rows with the built-in tool, dedupe on specific columns, highlight duplicates without deleting, or pull a clean unique list with a formula.
How-to · 2026How to Unprotect an Excel Spreadsheet (Sheet or Workbook)
Remove protection from a worksheet or a whole workbook so you can edit again — and an honest look at your options if you've forgotten the password on your own file.
How-to · 2026How to Wrap Text in Excel (Shortcut & Fixes)
Make long text show on several lines inside one cell — the button, the keyboard shortcut, manual line breaks, and why wrap text sometimes doesn't work.
How-to · 2026How to Enable Macros in Excel (Safely)
Turn on macros for a single trusted file or via the Trust Center, show the Developer tab, and the one security rule to follow before enabling any macro.
How-to · 2026How to Strikethrough in Excel (Shortcut & Button)
Cross out text in a cell — the one-key shortcut, the Format Cells route, a permanent toolbar button, and striking text through automatically when a task is done.
How-to · 2026How to Create a Pivot Table in Excel (Step by Step)
Turn a long table into a summary — totals by category, counts by month, averages by region — insert it, drag fields, switch Sum and Count, group by date, and refresh.
How-to · 2026How to Make a Chart in Excel (Graphs, Step by Step)
Turn a range of numbers into a chart or graph — pick the type that fits (column, line, bar, pie), and add the titles and labels that make it readable.
How-to · 2026How to Split a Cell in Excel (Text to Columns & Flash Fill)
Separate one column into several — first and last names, an address, a comma list — with Text to Columns, Flash Fill, or the TEXTSPLIT formula.
How-to · 2026How to Add Up a Column in Excel (Sum a Column Fast)
Total a column in one click, one keystroke, or one formula — plus the instant status-bar total, and how to add up only the rows that meet a condition.
How-to · 2026How to Calculate Standard Deviation in Excel (STDEV.S vs STDEV.P)
Measure how spread out your numbers are with one function — and get the one decision that matters right: sample (STDEV.S) or whole population (STDEV.P).
How-to · 2026How to Generate Random Numbers in Excel (RAND & RANDBETWEEN)
Produce random decimals or whole numbers in a range with one function — and the trick to freeze them so they stop changing on every recalculation.
Google Sheets · 2026How to Use VLOOKUP in Google Sheets (With Examples)
Look up a value in a table and pull back a match — syntax, a worked example, exact match, fixing #N/A, and the newer XLOOKUP.
Google Sheets · 2026How to Use IMPORTRANGE in Google Sheets
Pull data from another spreadsheet so it stays in sync — syntax, granting access to fix #REF!, and filtering the import with QUERY.
Google Sheets · 2026How to Use the QUERY Function in Google Sheets
Select, filter, group, and sort your data with one SQL-like formula — syntax, real examples (SELECT/WHERE/GROUP BY), and common errors.
Google Sheets · 2026How to Use ARRAYFORMULA in Google Sheets
Apply one formula down an entire column — no dragging — and keep it filling as new rows arrive. Syntax, an example, and using it with IF.
Google Sheets · 2026How to Create a Drop-Down List in Google Sheets
Add a drop-down so people pick from a set list — from a fixed list or a range, plus editing, removing, and color-coding the chips.
Google Sheets · 2026How to Use Conditional Formatting in Google Sheets
Color cells by value, a color scale, or a custom formula — including formatting a cell based on another cell's value.
Google Sheets · 2026How to Use SUMIF and COUNTIF in Google Sheets
Add or count only the rows that meet a condition — plus SUMIFS and COUNTIFS for multiple criteria, with the traps that return wrong numbers.
Google Sheets · 2026How to Remove Duplicates in Google Sheets (3 Ways)
Delete duplicate rows with Data cleanup, pull a unique list with UNIQUE, or highlight duplicates without deleting them.
Google Sheets · 2026How to Freeze Rows and Columns in Google Sheets
Keep your header row (or first columns) visible while the rest of the sheet scrolls — freeze one row, several, columns, and unfreeze.
Google Sheets · 2026How to Connect Google Forms to Google Sheets
Send every form response straight into a spreadsheet, live — link a form to a sheet, where the data lands, and how to unlink.
Google Sheets · 2026How to Combine Multiple Tabs Into One Master Sheet in Google Sheets
Stack the same table from several tabs into one live master — a curly-brace array, filtering with QUERY, headers, and what to do when the tabs don't line up.
Comparison · 2026Best Free AI Data Analysis Tools in 2026
Real free tiers, honestly compared — which free AI data analysis tools actually let you analyze CSV and Excel data in plain English, and exactly where each free plan runs out.
Guide · 2026The AI Data Analyst: What It Is & Can It Replace a Human?
What an AI data analyst does, what it can't, whether AI will replace data analysts, and the tools that do the job today.
Guide · 2026What Is AI Data Analytics? Tools, Examples & How to Start
What AI data analytics is, how artificial intelligence for data analysis works, what an AI data analyst actually does, the tools involved, and how to get started — in plain English.
Tutorial · 2026How to Build a Dashboard in Excel (Step by Step)
Make an interactive Excel dashboard with PivotTables, charts, and slicers — then build it faster with AI and get one that refreshes on its own.
Guide · 2026AI in Excel: How to Analyze Excel Data with AI
The three ways to analyze data in Excel with AI — Copilot, upload tools, and dedicated AI data analytics — what artificial intelligence can do with a spreadsheet, where it stops, and how to get answers without a single formula.
Guide · 2026How to Build a Fully Automated Data Pipeline from Your SaaS Tools to AI Analytics
Automate data from Shopify, Salesforce, NetSuite, Google Ads and more into an AI analytics tool — with a plain-English Shopify walkthrough, the honest role of ChatGPT, Gemini, Claude and Copilot, and three no-touch routes into Quiriz: cloud folder, email, and CLI.
Comparison · 2026Best AI Tools for Excel Data Analysis in 2026: 10 Compared
An honest, feature-grounded comparison of ten AI data analytics tools for Excel — Julius, ChatGPT, Powerdrill, Formula Bot, Querri, camelAI, Gemini, Copilot, Anomaly and Quiriz — on plain-English queries, reports, dataset refresh, team collaboration, and real pricing.
Try Quiriz on your own data
Upload a CSV or Excel file, ask in plain English, and get the answer in seconds. Free to start.
Try Quiriz free →