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Disassociating .XLSX file to Note Pad

Posted on 2010-04-04
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Last Modified: 2013-12-24
I inadvertently associate .XLSX file to Note Pad. How do I disassocate it so that I can read .XLXS file in the future ?
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Question by:hksar
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LVL 34

Assisted Solution

by:Shreedhar Ette
Shreedhar Ette earned 2000 total points
ID: 29762587
Try this.

Open registry, type regedit in the elevated command prompt.

Navigate to:
"HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.xlsx\OpenWithList" -under this, delete the string whose value=Notepad.exe (will of the form "somestring REG_SZ NOTEPAD.exe").

Then, Delete the key "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.xlsx\UserChoice".

Log off and log in again. This will disassociate .xlsx files from notepad.exe and will also restore the icon for the files.

I hope this helps,
Shree
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Author Comment

by:hksar
ID: 29763579
shreedhar,

Thanks. But how do you "open registry" ? I am a novice cmputer user.

sarhk
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LVL 34

Expert Comment

by:Shreedhar Ette
ID: 29763803
Open registry, type regedit in the elevated command prompt
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Author Comment

by:hksar
ID: 29764754

I do not know HOW to "open registry". Please give me instruction to do so. Thank you.
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LVL 34

Expert Comment

by:Shreedhar Ette
ID: 29766392
Go to Start>Run>cmd ot Go to Start>Programs>Accessories>Command Prompt

at the command prompt type regedit

This will open the registry.
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Author Comment

by:hksar
ID: 29768139
Shreedhar,

I follow all the steps. Problem is that even though I delete those values, it keeps coming back. Perhaps I did not "log off" ? and "log in" again.

After I delete those values, how do I log off to make the changes stay ?

Thanks.
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LVL 34

Expert Comment

by:Shreedhar Ette
ID: 29768490
After making the changes go to run and type logoff
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Author Comment

by:hksar
ID: 29768856
How do I go to Run ?
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LVL 34

Expert Comment

by:Shreedhar Ette
ID: 29768959
Just restart the system after making the changes.
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Author Comment

by:hksar
ID: 29769660

If what you mean is log out of the system and reboot the computer after making the change, I did that. But the line REG_SZ NOTEPAD kept coming back after I reboot the computer. The .xlsx icon was not restored. When I click it, the file invokes Note Pad again.

Then when I go back to registery, that line REG_SZ NOTEPAD reappear.

What do I do now ?

Thanks
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LVL 34

Assisted Solution

by:Shreedhar Ette
Shreedhar Ette earned 2000 total points
ID: 29770336
Right Click the .xlsx file> Open With > Choose Program> Under Recommended Program> Select the Microsoft Excel > Select the Always use the select program to open this kind of file

The press the OK.

This should change the association

---------
Shree
0
 

Author Comment

by:hksar
ID: 29771427

There is no Microsoft Excel icon in the Under Recommended Program panel.

Furthermore, the line REG_SZ  NOTEPAD.EXE keeps reappearing no matter what I do....shut down computer, reboot. Then once the .XLSX file is clicked, Note Pad is invoked, and that line reappears.

It seems that I am doing the wrong thing in deleting that line. he key UserChoice does go away and does not appear again.

Please advise.

Thanks
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LVL 34

Expert Comment

by:Shreedhar Ette
ID: 29771710
As Microsoft Excel is not installed. Which application you use for excel files?


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Author Comment

by:hksar
ID: 29771986

I have Exel ( may be 2003 or so version ), and can always read other Exel files sent to me. But the problem seems to be I cannot delete that SZ NOTEPAD>EXE line. I can delete the UserChoice key.
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LVL 34

Expert Comment

by:Shreedhar Ette
ID: 29772126
If Excel is installed then Microsoft Excel icon should be there Under Recommended Program panel or Other programs.
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Author Comment

by:hksar
ID: 29772279

Any idea how I can delete that line : SZ NOTEPAD.EXE

I have Office 2003 which has Exel.
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LVL 34

Expert Comment

by:Shreedhar Ette
ID: 29772940
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Author Comment

by:hksar
ID: 29789854
Hi Shree,

I have download the converter program from that link already.

Now I thought  I have finally eliminated the string REG_SZ NOTEPAD.EXE and the key UserChoice ...for sure.

But then I download a XLSX file to a folder, it is automatically formatted as a Note Pad file, If I click that icon, garbage Note Pad will appear. I immediately go back to registery.... the string REG_SZ NOTEPAD.EXE  appears again !!

Help please ! What's going on ?

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LVL 34

Accepted Solution

by:
Shreedhar Ette earned 2000 total points
ID: 29819815
Hi,

Go to Control Panel> Open Folder Options> Click File Types > Select Extension XLSX>Opens With: Click Change and select the Microsoft Excle Viewer>Select the Always use the select program to open this kind of file>Click OK.

Click Advanced in Folder Options>Under actions Select Open> Click Edit> Check whether it is pointong to the proper exe.> Click OK twice> Click Apply> Click Close.

Then Try to open the xlsx file.

----------
Shree
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