Handle duplicate removals in huge excel files

So we have huge excel files in various formats that we sometimes must double check against each other and remove duplicates from file A that exists in file B. In short we put all the info that will be matched in column A in both files. Then we use to run a MACRO but it takes hours for huge files so we need a better solution. Maybe access or similar?

The files can have different amount of columns from time to time but column A will ALWAYS have the info that will be matched.

So File A) is matched against file B) and the output file will be file A) with all the UNIQUE rows intacs. In other words all the rows that file B) has that matches with file A) are removed from file A) And the rest is output.

I need this done ASAP since we have a file of 1,5 million rows that we need to match agains a file with about 200k rows and I can't use a macro for that since it's too slow.

Ferdigheter: Excel, Microsoft Access

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Om arbeidsgiveren:
( 54 omtaler ) Solna, Sweden

Prosjekt-ID: #12186692

61 frilansere byr i snitt €36 for denne jobben

€80 EUR på 1 dag
(253 Omtaler)

We are amongst top 1% global outsourcing providers. We have successfully finished over 430 projects in last 13 years. ID : 12186692 Greetings, We are interested to work on this project, please find my comments i Mer

€333 EUR på 12 dager
(223 Omtaler)

we can add match/index formula and it will highlight duplicate rows, so we can remove those please share files, i'll show demo before you hire me thx

€35 EUR på 1 dag
(270 Omtaler)

Do you need a one time matching or a code solution? If you want a one time duplicate removal, I can start right away and give you output in an hour.

€23 EUR på 1 dag
(115 Omtaler)

Hi, I have more than 14 years of Visual Foxpro exp and I am expert in this kind of work. I can build this using Visual foxpro which will be pretty quick. not sure how long macro is taking now ? I have comple Mer

€30 EUR på 3 dager
(117 Omtaler)

Hi! I would like to offer my service to handle removal of duplicate rows in the huge excel files. I think the macro you have is not optimized enough to work with the huge number of data, hence the slow performanc Mer

€30 EUR på 1 dag
(93 Omtaler)
€30 EUR på 1 dag
(102 Omtaler)

Dear Employer, I will automate the process for you using VBAs and MAcros. Please find attached my previous work samples. Please let me know if we can discuss further on this. You can add me on skype as well: as Mer

€23 EUR på 1 dag
(25 Omtaler)

Hello, I am Excel and VBA expert. I can create very fast macro. You have a very slow macro. I have a way to make my macro work very fast. I have just done tests on my data. For two files (each about 1 mi Mer

€39 EUR på 0 dager
(61 Omtaler)

!!! Dear Honor !!! We Can Help You Make That Happen !!!  Let's discuss.............  Choose  wisely!! Cheers :)

€29 EUR på 0 dager
(46 Omtaler)

Hello, I have experience in excel, data entry work. I can remove duplicate. Please check my portfolio. I can do this project with accuracy. I am ready to start Now. Please review my bid. Thanks. Rich

€19 EUR på 1 dag
(71 Omtaler)

I am a skilled freelancer who has a working experience of more then 4 year I have working experience on- Web Research, lead generation, data entry, data mining, lead collection, All types of scrapping tools like - da Mer

€9 EUR på 1 dag
(29 Omtaler)
€34 EUR på 1 dag
(28 Omtaler)

Hi, i can help you with this project, please let me know more about it :) i may fix your macro so you will get same results in less time, or i will create a tool in VB.NET that can handle this amount of rows in supe Mer

€29 EUR på 10 dager
(25 Omtaler)

I have gone through the description. I am very much interested to work on your project. I’ll provide you the work as per your requirement with in a particular time frame. So let’s start

€100 EUR på 1 dag
(80 Omtaler)

With respect to this project I would like to present myself as a candidate for your consideration. I have more than 6 years of experience. I have successfully completed few projects for US clients which involved web sc Mer

€34 EUR på 3 dager
(32 Omtaler)

Hello dear sir how are you hope you are well Dear sir if you really want 100% Error Free and Quality Data Research and Data Entry Work done Manually or By Tool (Code) Then Please Hire me for this Data Entry Job T Mer

€30 EUR på 3 dager
(11 Omtaler)

I have 10 years experience with Data Processing in Excel and Web Researching. I work with: Web Search Web Scrapping Excel Access PowerPoint Finance Management Statistics Data Processing Data Collect Mer

€30 EUR på 1 dag
(22 Omtaler)

I have bachelor and master degrees in IT. My Primary skills include Java, Python, VB/.NET, ArcGIS, and PHP. Also database skills include MS Access, MySQL, and Oracle. My Other skills include server and network administ Mer

€30 EUR på 2 dager
(27 Omtaler)

Hi, I'm making some optimizations test in my local environment with big files like yours and I get a decent time. Can you please send some sample files? I bid only 30$ because this is more like a challenge for me Mer

€30 EUR på 1 dag
(22 Omtaler)