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I have a customer list stored in a set of Excel worksheets that was compiled over time and, as a result, many email cells are empty. I need the file returned to me with those gaps intelligently filled so every record carries a valid, properly formatted email address. Here is what I’m expecting: • You will work directly in the Excel files I provide, review each row, research or validate the correct email address, and enter it without altering any other fields. • Only missing-information cleanup is required; duplicate or formatting issues can be ignored for now. • The finished workbook should come back with 100 % of the email column complete, plus a short “changes” sheet that notes any records you were genuinely unable to resolve and why (e.g., undeliverable domain, customer unreachable). Familiarity with Excel functions, online lookup tools, and basic data-validation checks is essential so the returned addresses are accurate and ready for import into our CRM.
Project ID: 40657431
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Active 1 day ago
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15 freelancers are bidding on average ₹903 INR/hour for this job

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₹750 INR in 40 days
3.4
3.4

Hi, I can review your Excel customer worksheets and help fill missing email fields using careful lookup, validation, and clear change tracking. My approach will be to work directly in your provided workbook, check only the blank email cells, research available legitimate contact sources, validate email format/domain, and enter the best verified address without changing other fields. I’m comfortable with: * Excel data cleanup * Missing email research * Contact validation * Online lookup checks * CRM-ready formatting * Data accuracy review * Change tracking * Customer data confidentiality Deliverables: * Updated Excel workbook * Missing email cells completed where verifiable * Properly formatted email addresses * No changes to unrelated fields * Changes sheet with resolved/unresolved records * Notes for unavailable or uncertain emails * Final validation check before delivery I’ll focus on accurate, verified entries and will avoid guessed or unconfirmed email addresses. Any record that cannot be resolved reliably will be clearly noted with the reason. Best regards Ankit
₹750 INR in 40 days
3.4
3.4

As an expert in data entry, management, and scraping, I believe I possess the proficiency needed to effectively fulfill your project requirements. My extensive experience with Excel and its functions make me well-equipped to undertake the task of filling in missing emails in your customer list intelligently without altering any other fields. My familiarity with online lookup tools will aid in diligently researching and validating accurate email information for each record. I understand that the accuracy and validity of these email addresses are crucial for seamless integration into your CRM. With this in mind, my expertise in data-validation checks ensures that all the returned addresses will be error-free, properly formatted, and ready for import. I will also provide a comprehensive "changes" sheet noting any records with unresolved email issues along with their reasons. Moreover, my commitment to providing quality support, delivering work timely, and communicating effectively throughout the project ensures a smooth working experience. By choosing me to handle this important task, you are guaranteed exceptional service from Designer Bros -, we guarantee meticulous attention to detail while keeping an eye on your end goal. Let me help transform your incomplete customer list into 100% complete and actionable data.
₹750 INR in 40 days
2.8
2.8

This project immediately caught my attention because it is exactly the type of work I do best. The need to fill gaps in the email column while maintaining the integrity of other fields aligns perfectly with my skills in Excel and data validation. I understand that you require a clean, professional, and user-friendly approach to ensure every record carries a valid, properly formatted email address. While I am new to freelancer, I have tons of experience and have done other projects off site. My expertise includes using Excel functions and online lookup tools for accurate data entry. If this sounds like what you're looking for I'd love to hear more about your project. Regards, Warrick Van Eeden
₹750 INR in 7 days
1.2
1.2

With my extensive experience as a virtual assistant and an expert in data management, I am confident that I am the best fit for your project. Combining my skills in data analysis and data entry with my proficiency in Excel, your customer list will be cleaned up efficiently and effectively. My experience in conducting thorough research, using online lookup tools, and performing data-validation checks ensures a high level of accuracy, which is vital for the success of this task. Furthermore, being proficient in various CRM systems and understanding their importance, I understand the significance of having a clean and complete customer list for your business operations. I will not only fill the missing email cells but also ensure that they are valid, properly formatted, and ready for import into your CRM system.
₹1,000 INR in 40 days
0.8
0.8

I can accurately identify and fill missing email addresses using reliable online lookup and verification tools. I’ll cross-check names, companies, and domains, avoid guessed emails, and deliver a clean, error-checked spreadsheet. I can start immediately and ensure accurate, timely completion.
₹1,000 INR in 40 days
0.0
0.0

Hi, I can help complete the missing email addresses in your Excel customer database while keeping all other fields unchanged. For each record, I will carefully review the available information, research or validate the appropriate email address using reliable sources, and enter it directly into the existing email column. I’ll also perform basic validation checks to ensure the completed addresses are properly formatted and suitable for CRM import.
₹1,000 INR in 1 day
0.0
0.0

Hi, I can help clean up your customer spreadsheet and fill in missing email addresses. My approach: Go through each row with a missing email and look up the correct address using publicly available sources (company websites, professional directories, etc.) Enter verified addresses directly into your file without touching any other fields Build the "changes" sheet noting anything I couldn't resolve and why (unreachable, no public record, ambiguous match, etc.) Do a basic format validation pass so addresses are clean and ready for your CRM import One quick note: for records where no email is publicly available or verifiable, I'll flag those honestly in the changes sheet rather than guess — that keeps your data accurate for CRM use rather than introducing bad entries. I'm detail-oriented and comfortable with Excel lookups and validation checks, and I can turn this around quickly. Best, Ala
₹900 INR in 40 days
0.0
0.0

Hi, this is the kind of spreadsheet job I like. How I'd work it: go sheet by sheet, flag every blank email cell, then fill each one from the info already in the row (name, company, website) plus a public lookup on the company site or their contact page. Every address gets a syntax and domain/MX check before it goes in, so you don't end up with guesses that bounce. Nothing else in the workbook gets touched - same columns, same order, same formatting - and you get a "changes" tab listing each row I filled with where it came from, plus the ones I couldn't resolve and why. Send me the files and I'll do a small sample first so you can confirm the approach, then finish the rest in 2-4 days depending on row count.
₹1,250 INR in 40 days
0.0
0.0

Hi! This is a good fit — I regularly clean and validate spreadsheet data using Excel and lookup/validation tools. I'll work directly in your file, research and validate each missing email address, and return the workbook with the email column fully complete, plus a short changes log noting any records I genuinely couldn't resolve (with the reason). Happy to confirm exact scope in writing first, no charge, so we're aligned before anything moves — ready to start the same day.
₹1,000 INR in 40 days
0.0
0.0

I noticed you’re looking to fill in missing email addresses for your customer list in Excel, ensuring that every record is complete and ready for CRM import. This is crucial for maintaining effective communication with your clients. I understand that your primary goal is to intelligently research and validate each missing email without altering any other fields. I’ll dive into the data, utilizing Excel functions and online lookup tools to ensure accuracy. I’ll also compile a "changes" sheet to document any unresolved records, providing transparency about my findings. You can expect meticulous attention to detail and clear communication throughout the process. What’s your timeline for this project? I have done similar work: Sample Customer Management Database
₹750 INR in 7 days
0.2
0.2

Greetings, For this project, the most important point for me is that email addresses should never be filled in by guesswork, but only when there is enough reliable public or business information to verify them. I am based in Belgrade, Serbia, and I work with a small BGallery team. We have experience with Excel spreadsheets, online research, data entry and data checking, as well as administrative work where accuracy and error control are especially important. I can review each row, find and verify the correct email where possible, without changing any other data in the spreadsheet. Any unclear or unverified cases would be listed separately in a Changes sheet, with a short note on what was checked. The advantage of working with a small team is that research and additional verification can be shared, while I remain the person responsible for the project. Before starting, I would like to see a few representative rows and the total number of contacts with missing emails, so we can assess the workload and a realistic working pace. Ms. Duda, BGALLERY Belgrade, Serbia
₹800 INR in 40 days
0.0
0.0

Jaipur, India
Member since Aug 11, 2026
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