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Merge Sheets
Scan two sheets for the same values based on key columns and update your main table with the missing information.
60 users
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Five simple steps of the Merge Sheets wizard will guide you through the process of joining data from two tables. If you have at least one common identifier column in both sheets, e.g. product ID, the add-on will insert all the missing information for the same records in your main table. 

-	Select the table you want to update and the one to pull information from
-	Define common columns the add-on can use to find the same records
-	Choose the columns to update or add to your main sheet

The merge assistant will do the rest. It will quickly compare key columns and find the necessary updates, no vlookup formulas needed. You can highlight changes with color, work only with the empty cells, and have all new records added to the end of the table. When the merge is complete, you'll see the summary of all changes that the add-on has made.
You can use this tool whenever you need to compare two sheets and bring the latest changes to your table.

What's new:
 - UX; the add-on will offer the most possible actions and warn about possible mistakes and lags.
 - Range selector UX. If you had slow Internet connection or server response, you could get an incorrect range. We've significantly reduced that possibility.
 - Small screens and minor issues UIs.
 - Performance. The new version of the add-on processes colored cells faster.

 - Removing Alternating colors.
 - Processing cells with dates.
 - Corrupting main table formatting.

V. 1.6
You can use sheets with any data amount! There is only one limitation - Google spreadsheet can’t contain more than 2 million cells. 

 -Formulas were replaced with values
 -The add-on considered the same data with different format unequal
 -Minor bugs

 -Processing large amounts of data
 -Progress bar with percentage has been added
 -Auto select range 

We introduced yearly subscriptions, you can still enjoy a fully-functional trial version of the add-on for 30 days.

v. 1.5
 -The add-on prevented from choosing a sheet on Step 2

If you have any questions about the add-on, please post them here:
We'll be happy to assist!
Please visit the Chrome Web Store if you would like to reply or rate a review for this app.
February 1, 2019
It meets our needs mostly, but I wonder if it is possible to save the configurations as a 1-click shortcut? It's time consuming to go in the add-on to configure the same settings (main sheets, matching columns, etc) every time we want to see an update.
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January 17, 2019
Works Perfectly!!! Saved me hours of work! Highly recommended.
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May 14, 2018
I wish it would work and I would even pay for this tool if it worked, but it Doesn't work!
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May 15, 2018
Mark, we're sorry to hear that you've encountered difficulties with our add-on. We've got your e-message in our support Inbox and we'll reply to it as soon as possible.
May 14, 2018
It may be that there is a known bug around date data: "Most our add-ons do not process dates to avoid data corruption."
April 9, 2018
Super easy to use and did exactly what I needed it to do.
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December 5, 2017
It was super easy to use. You saved me so much time and effort! Thank you :-)
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July 9, 2017
Your software saves me a lot of time. One minor issue with Merge Sheets is that it appears the data to compare/merge is case sensitive. Took me a good 5 minutes to figure that one out. I'm not sure if that's a known bug or not. I haven't tested it with Excel, so it might be a Google thing.
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May 6, 2017
Awesome! Just what I needed.
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February 2, 2017
SOOOO helpful!!! SOOOO easy!!! Thank you so much :)
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December 13, 2016
This is awesome!
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October 27, 2016
I spent hours trying to get Excel to merge two worksheets. This addon did the merge in seconds. Thank you!
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