In this day and age of computers where we now have many files that have multiple users, you can protect all or part of a Workbook easily. Protecting Workbook data makes it very difficult for specific cell values to be changed, either accidentally or deliberately. Some reasons for protecting your data could be:
Worksheet protection is a very valuable and useful tool, but using it can sometimes seem a little confusing, as there are actually two separate processes that must be followed to protect data.
The first step is to unlock any cells that will require editing. The second step is to apply Worksheet Protection.
Let’s have a look at how we would apply Worksheet protection to the file Charting. xls that we used previously, and how we would unlock the December figures for each Department, so that they can type their own figures in there.
As a default, all cells within Excel are locked by default. However, you can still change or edit these cells because the Worksheet or Workbook is unprotected. The first step to using data protection is to unlock the cells that need to be changed when we apply Worksheet Protection.
You can unprotect a Worksheet in the same way that you protected it in the first place.
OK, so we have looked now at Worksheet Protection. However anyone with a working knowledge of Excel, could figure out how to unprotect a sheet if they wanted to, so Excel offers you the ability to use a password to protect your Sheet. Passwords are case-sensitive. One thing you MUST be aware of when using a password is that if you lose or forget your password, it cannot be recovered, so it might be a good idea to write down your passwords somewhere and the Worksheets that they relate to and store them in a safe place. It is also a good idea when using a password to use a combination of letters, numbers and symbols.
Let’s try and unprotect our sheet now.
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Go back to:
|Lesson 1 - Excel Fundamentals|
|Lesson 2 - Starting Excel and Excel Workbooks|
|Lesson 3 - Excel Toolbars and Task Panes|
|Lesson 4 - Excel Worksheets|
|Lesson 5 - Excel Cells and Navigating a Worksheet|
|Lesson 6 - Excel Cut/Copying and Pasting Data|
|Lesson 7 - Excel Copying with the Fill Handle|
|Lesson 8 - Excel Paste Special|
|Lesson 9 - Excel Insert Command|
|Lesson 10 - Excel's default options|
|Lesson 11 - Excel's Undo and Redo|
|Lesson 12 - Excel's Format Painter|
|Lesson 13 - Excel's Dates and Times|
|Lesson 14 - Excel's Custom Formats|
|Lesson 15 - Excel Formulas|
|Lesson 16 - Excel Cell References|
|Lesson 17 - Excel: Avoid Typing|
|Lesson 18 - Excel Formulae Arguments & Syntax|
|Lesson 19 - Excel Autosum Formula|
|Lesson 20 - Excel Auto Calculate|
|Lesson 21 - Excel's Insert Function|
|Lesson 22 - Excel's Useful Functions|
|Lesson 23 - Excel's Named Ranges|
|Lesson 24 - Excel's Constants and the Paste Name Dialog|
|Lesson 25 - Excel's Calculations|
|Lesson 26 - Excel Comments Cell|
|Lesson 27 - Excel Find and Replace|
|Lesson - 28 - Clear Excel Cell Contents|
|Lesson 29 - Effective Excel Printing 1|
|Lesson 30 - Effective Excel Printing 2|
|Lesson 31 - Sorting in Excel|
|Lesson 32 - Hide/Show Row/Columns in Excel|
|Lesson 33 - Auto-Formats in Excel|
|Lesson 34 - Creating a Basic Excel Spreadsheet|
|Lesson 35 - Excel Charting Lesson: The Basic Excel Spreadsheet|
|Lesson 37 - Excel IF Formula Nesting|
|Lesson 38 - Excel Function Now/Today Formulas|