Forgot Excel Password? Learn How to Recover! | Extreme Subject
Select Page
Forgot Excel Password? Learn How to Recover!
By Matt
October 20, 2020
OST File Viewer

Every computer expert recommends protecting any kind of document with a password. The real problem arises when we forgot excel password and are unable to open the sheet when required urgently. A password-protected computer is important to keep it safe from hackers and intruders who may steal the information from the documents. Mostly excel sheets are used to generate a database that stores the most valuable information related to any aspect. For this sole reason, the users should password-protect them.

Excel sheets are documents that are stored in database format, so resetting its password is not alike that of resetting the password of email or computer. In this article, we will be talking about how you can open a password protected excel sheet so as to regain access to your document and retrieve its data.

Method 1 – Opening Protected Excel by Changing the File Extension

This method perfectly works with Microsoft Office 2010 or previous versions but may or may not work with the most recent Microsoft Office versions. If you are using the old version of Microsoft Office, apply the following steps to unlock your excel file –

  1. Generate a backup of your password protected excel file
  2. Right-click on that sheet and press the rename button
  3. Modify the file extensions to ‘.zip’ from ‘.csv’ or ‘.xls’
  4. Now unzip the content from the zip file
  5. Search for the file that ends with ‘.xml’ format
  6. Double click on that file and open it with an XML editor
  7. Press ‘Ctrl + F’ and look for the word ‘Sheet Protection”. Look for the particular line that starts with ‘<sheetProtectionalgorithmName=”SHA-512”hashValue=’.Remove that specific word from the file and save it
  8. Lastly, change the ‘.zip’ file to ‘.csv’, or ‘.xls’ and press enter.


  • Works with only MS Office 2007 or older versions
  • Not really a reliable method
  • Complex

Method 2 – Use Excel Password Recovery to Open Forgot Excel Password Protected File

iSeePassword Excel Password Recovery tool is recommended if you are looking for a guaranteed way to open your password-protected Excel file. This tool will save you an enormous time on recovering lost Excel password without affecting the original data. This tool is known to offer the highest recovery success rate in this market. Most powerful algorithms are used in this tool to crack down forgot password in less time. As compared to the other tools, this tool is the most effective and smartest one that is available online. This is so because it offers 3 ways to recover lost Excel password that includes brute-force, mask, dictionary, and mask attacks too. Every type of attack is intended depending on the different situations of the users. 

This Excel password recovery tool comes with a user-friendly interface and you don’t require having any special technical skills to operate it. The tool settings can be customized as per your preferences. The more accurate information you feed in, the speedy this tool will crack the password. And the good part is that this program is not just restricted to MS Office 2003/2007. It is supported in MS Office 2017, 2016, 2013, 2010, and the older versions too.

Step 1 – Install and Run Excel Password Recovery Program

Download this tool and run the file on your system. When the installation is done, the main UI of this program will be displayed.

Step 2 – Attach Password Protected Excel File to the Program

On the main screen, press the Add File button, and an Open File Dialog pops up. Place the Password Protected Excel File and hit the file to import it into the program.

Step 3 – Select the Type of Attack

Now select the type of attack from the list given – Dictionary Attack, brute-Force with Mask Attack, and Brute-Force. It’s better to choose the most appropriate open for a speedy password cracking process. If by any chance you would know the password length, range, strength, and all other information, it would be really helpful. Customize the settings as precisely as you can.

Step 4 – Begin the Password Recovery from Microsoft Excel File

Lastly, press the ‘Start’ button and allow the program to search for the password of your Excel file. You will see the progress indicator in real-time and as soon as the password is found, it will be shown on the screen of the program. You just need to click on ‘Copy’ and then just paste it on a textbook. Now use it to open the Excel file again.

Software User Interface

Final Verdict

Just remember that it’s not easy to crack passwords but with iSeePassword Dr. Excel it has made it easier to open a password-protected Excel file even when you forget it. It is always recommended to keep a backup of your passwords on a cloud server or maybe e-mail account as to retrieve it whenever you forget them. You can also write down your passwords on a piece of paper or text file so as to recover them whenever required.      

Related Posts

Powerful Email Extractor
Powerful Email Extractor

Atomic Email Hunter is a powerful email extractor tool that extracts email addresses along with the usernames from web pages. You just need to add website addresses to the software, and you will be harvested with thousands of relevant email addresses within just a few minutes.

read more
Found our analysis helpful?

Did this article help you recover forgot excel password? If so (else not!), leave a comment below.

Do you know anyone who can take advantage of this review? To send them this page, click the share buttons on the sidebar.

You will benefit them by spreading the word about our website and helping us out!

We take great care to ensure the quality and accuracy of the information we post. Nevertheless, Extreme Subject does not take any responsibility for any inaccuracies in the information provided by study participants or other experts.

Please note that the insight in this article is for general information purposes only. We are happy to answer any questions you may have about this article and its work that supports it. Contact us directly here for more information.


Submit a Comment

Your email address will not be published. Required fields are marked *