<p>I have around 25 worksheets in my workbook (Excel spreadsheet).
Is there a way I can protect all the 25 worksheets in single click ? or this feature is not available and I will have to write a VBA code to accomplish this. I need very often to protect all sheets and unprotect all sheets and doing individually is time consuming</p>

I don't believe there's a way to do it without using VBA.  If you are interested in a VBA solution, here is the code:
```
```
Dim ws as Worksheet
Dim pwd as String

pwd = "" ' Put your password here
For Each ws In Worksheets
    ws.Protect Password:=pwd
Next ws
```
```
Unprotecting is virtually the same:
```
```
Dim ws as Worksheet
Dim pwd as String

pwd = "" ' Put your password here
For Each ws In Worksheets
    ws.Unprotect Password:=pwd
Next ws
```
```