
Excel · practical guide
Remove Duplicates in Excel Without Deleting Good Data
The same total and row count can hide repeated and missing invoices. Flag the keys before deleting.
Read the guideExcel guides · free practice files
Clear steps for the export, total or template in front of you. Small examples show what to do and how to check the result.
Get the free practice kitStart with the problem you can see. Equal totals can hide different records. The duplicate guide shows the source rows and the check.
Find the mismatch10 guides

Excel · practical guide
The same total and row count can hide repeated and missing invoices. Flag the keys before deleting.
Read the guide
Excel · practical guide
Find missing IDs and repeated keys with exact-match lookups, plus an older-Excel alternative.
Read the guide
Excel · practical guide
Keep source filenames, set types deliberately and check six rows becoming eight.
Read the guide
Excel · practical guide
Keep leading-zero codes, format date labels and avoid confusing a display label with a unique key.
Read the guide
Excel · practical guide
Find the text amount a total ignored, choose the right rows and make review flags readable.
Read the guide
Excel · practical guide
Summarize six expense rows by category, fix Count of Amount and prove the refresh.
Read the guide
Excel · practical guide
Build a small decision view with source totals, clear labels and one useful chart.
Read the guide
Excel · practical guide
Keep transactions once, total the right month and show exactly what is over or under plan.
Read the guide
Excel · practical guide
Use approved categories and catch invalid pasted values with a separate helper check.
Read the guide
Excel · practical guide
Follow a short Windows cleanup routine and keep a printable twelve-command reference.
Read the guide