Read Time:8 minsLanguages:url-selector#selectionChanged" data-controller="url-selector">EnglishEspañolBahasa IndonesiaМакедонски јазикPусскийукраїнська моваTiếng ViệtWhen it comes time to send your Excel spreadsheet, it"s important to protect the data that you"re sharing, You might want to share your data, but that doesn"t mean it should be changed by someone else" /> Read Time:8 minsLanguages:url-selector#selectionChanged" data-controller="url-selector">EnglishEspañolBahasa IndonesiaМакедонски јазикPусскийукраїнська моваTiếng ViệtWhen it comes time to send your Excel spreadsheet, it"s important to protect the data that you"re sharing, You might want to share your data, but that doesn"t mean it should be changed by someone else" />

Cách Khóa Sheet Trong Excel 2010

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When it comes time to lớn send your Excel spreadsheet, it"s important lớn protect the data that you"re sharing. You might want to giới thiệu your data, but that doesn"t mean it should be changed by someone else.

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Spreadsheets often contain essential data that shouldn"t be modified or removed by the recipient. Luckily, Excel has built-in features to protect your spreadsheets.

In this tutorial, I"ll help you make sure that your Excel workbooks maintain data integrity. Here are three key techniques you"ll learn in this tutorial:

Password protect entire workbooks khổng lồ prevent them from being opened by unauthorized users.Protect individual sheets and the workbook structureto prevent the insertion or deletion of sheets in the workbook.Protect cells, khổng lồ specifically allow or disallow changes to lớn key cells or formulas in your Excel spreadsheets.

Even users with the best intentions may accidentally break an important or complex formula. The best thing to vày is remove the option lớn change your spreadsheets altogether.

How khổng lồ Protect Excel: Cells, Sheets, & Workbooks (Watch và Learn)

In the screencast below, you"ll see me work through several important types of protection in Excel. We"ll protect an entire workbook, a single spreadsheet, và more.


Want a step-by-step walkthrough? kiểm tra out my steps below khổng lồ find out how to use these techniques. You"ll learn how to protect your workbook in Excel, as well as protecting individual worksheets, cells, & how to lớn work with advanced settings. 

We start with broader worksheet protections, then work down khổng lồ narrower targeted protections you can apply in Excel. Let"s get started learning how to lớn protect your spreadsheet data:

1. Password Protect an Excel Workbook File

Let"s start off by protecting an entire Excel tệp tin (or workbook) with a password to lớn prevent others from opening it.

This is a breeze khổng lồ do. While working in Excel, navigate khổng lồ the File tab choose the Info tab. Click on the Protect Workbook dropdown option & choose Encrypt with Password.

As is the case with any password, choose a strong và secure combination of letters, numbers, và characters, bearing in mind that passwords are case-sensitive.

Browse to lớn the file > Info tab, & choose Protect Workbook > Encrypt with password.

It"s important to chú ý that Microsoft has really beefed up the seriousness of their password protection in Excel. In prior versions, there were easy workarounds to bypass password protection of Excel workbooks, but not in newer versions.

Set a complex password for security"s sake, but make sure to lớn store it safely.

In Excel 2013 và beyond, the password implementation will prevent these traditional methods lớn bypass it. Make sure that you store your passwords carefully and safely or you risk permanently losing access lớn your crucial workbooks.

Excel Workbook - Mark as Final

If you want lớn be a bit less forceful with your spreadsheets, consider using the Mark as Final feature. When you mark an Excel tệp tin as the final version, it switches the file to read-only mode, & the user will have khổng lồ re-enable editing.

To change a tệp tin to read-only mode, return khổng lồ the File > Info button, and click on Protect Workbook again. Click on Mark as Final and confirm that you want to mark the document as a final version.

Mark a file as the final version to leave a gentle warning for users of that file. 

Marking a file as the final version will add a soft warning to the đứng đầu of the file. Anyone who opens the tệp tin after it has been marked as final will see a notice, warning them that the tệp tin is finalized. 

When a file is marked as the final version, the workbook will show this

Marking a file as the final version is a less formal way of signaling that a tệp tin shouldn"t be changed further. The recipient still has the ability to click Edit Anyway and modify the spreadsheet. Marking a file as the final edition is more lượt thích a suggestion, but it"s a great approach if you trust the other file users.

2. Password Protect Your Excel Sheet Structure

Next up, let"s learn how to protect the structure of an Excel workbook. This option will ensure that no sheets are deleted, added, or re-arranged inside of the workbook.

If you want everyone khổng lồ be able khổng lồ access the workbook, but limit the changes they can make lớn a file, this is a great start. This protects the structure of the workbook, & limits how the user can change the sheets inside of it.

To turn on this protection, go lớn the Review tab on Excel"s ribbon và click on Protect Workbook.

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Find the review tab, click on Protect Workbook, and mix a password khổng lồ protect the structure of your Excel workbook.

Once this option is turned on, the following will go into effect:

No new sheets can be added to the workbook.No sheets can be deleted from the workbook.Sheets can no longer be hidden or unhidden from the user"s view.The user can no longer drag và drop the sheet tabs to lớn reorder them in the workbook.

Of course, trusted users can be given the password to lớn unprotect the workbook & modify it. To lớn unprotect a workbook, simply click on the Protect Workbook button again & input the password to lớn unprotect the Excel workbook.

Click Protect Workbook a second time and input the password to lớn re-enable workbook changes.

3. How lớn Protect Cells in Excel

Now, let"s get down khổng lồ really detailed methods for protecting a spreadsheet. So far, we"ve been password protecting an entire workbook or the structure of an Excel file. In this section, we dig into how to lớn protect your cells in Excel with specific settings you can apply. We cover how lớn allow or block certain types of changes to lớn be made to lớn parts of your spreadsheet.

To get started, find Excel"s Review tab, và click on Protect Sheet. On the pop-up window, you"ll see a huge mix of options. This window allows you to lớn fine-tune how you want to protect the cells in your Excel spreadsheet. For now, let"s leave the settings at their default.

To protect a sheet, select a tab in your Excel workbook, click on the Review tab và choose the Protect Sheet menu option.

This option allows for very specific protections of your spreadsheet. By default, the options will almost totally lock down the spreadsheet. Let"s địa chỉ a password so that the sheet is protected. If you press OK at this point, let"s see what happens when you attempt lớn change a cell.

After a sheet has been protected, attempting lớn change a cell will yield this error message. 

Excel throws off an error that the cell is protected, which is exactly what we wanted.

Basically, this option is crucial if you want khổng lồ ensure that your spreadsheet isn"t changed by others who have access lớn the file. Using the protect sheet feature is a way that you can selectively protect the spreadsheet.

To unprotect the sheet, simply click on the Protect Sheet button and re-enter the password to lớn remove the protections added khổng lồ the sheet.

Specific Protections in Excel

Let"s take a second look at the options that show when you start to protect a sheet in Excel workbooks.

Password protect worksheet cells in Excel options.

The Protect Sheet menu lets you refine the options for sheet protection. Each of the boxes on this menu lets the user change slightly more inside of a protected worksheet.

To remove a protection, check the respective box in the list. For example, you could allow the spreadsheet user to lớn Format cells by checking the corresponding box.

Here are two ideas on how you could selectively allow the user to change the spreadsheet:

Check the Format cells, columns, and rows boxes to lớn let the user change the visual appearance of cells without modifying the original data.Insert columns and rows could be checked so that the user can showroom more data, while protecting the original cells.

The important box to leave checked is the Protect worksheet và contents of locked cells box. This protects the data inside of cells. 

When you"re working with crucial financial data or formulas that will be used in making decisions, you have to lớn maintain control of the data & ensure that it doesn"t change. Using these types of targeted protections is an important Excel skill khổng lồ master.

Recap & Keep Learning More About Excel

Locking up a spreadsheet before you send it is crucial to lớn protecting your valuable data and making sure that it"s not misused. The tips I shared in this tutorial help you maintain control of that data even after your Excel spreadsheet is forwarded & shared.

All of these tips are additional tools và steps to lớn becoming an advanced Excel user. Protecting your workbooks is a specific skill, but there are lots of ways lớn improve your performance. As always, there"s room lớn grow your Excel skills further. Here are some helpful Excel tutorials with important skills to master next:

How vì chưng you protect your important data when sharing it? Let me know in the comments section if you use these protection tools or others I may not know about.