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Mac Forum / Applications / Excel / August 2007



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How safe are Excel passwords?

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darren@mindgarden.co.uk - 19 Aug 2007 21:56 GMT
Hi,
How hard is it to access data on an excel spreadsheet that needs a
passowrd to view it's contents? I say this as my PowerBook has been
stolen and has some password protected excel data on it.

Thanks.
CyberTaz - 19 Aug 2007 22:13 GMT
Most any program's password protection prevents inadvertent access by
someone who doesn't know the password, but anyone who is determined to get
into the file will find a way. It just depends on how much time & effort
they want to put into the task. The internet has put password circumvention
at the fingertips of anyone with an active connection.

Regards |:>)
Bob Jones
[MVP] Office:Mac

On 8/19/07 4:56 PM, in article
1187557001.921720.225900@22g2000hsm.googlegroups.com,

> Hi,
> How hard is it to access data on an excel spreadsheet that needs a
> passowrd to view it's contents? I say this as my PowerBook has been
> stolen and has some password protected excel data on it.
>
> Thanks.
darren@mindgarden.co.uk - 19 Aug 2007 22:57 GMT
Blessings in disguise...
As the recent Office update left my Excel files unreadable by OSX,
opening files tries to start classic, OS9 wihich isn't installed, I've
had a bit of time to amend the sensative data.
JE McGimpsey - 20 Aug 2007 03:10 GMT
> Hi,
> How hard is it to access data on an excel spreadsheet that needs a
> passowrd to view it's contents? I say this as my PowerBook has been
> stolen and has some password protected excel data on it.

Not hard at all. Especially internal passwords:

   http://www.mcgimpsey.com/excel/removepwords.html

but also file/vba passwords:

   http://www.mcgimpsey.com/excel/fileandvbapwords.html

Note that one doesn't even need XL to read data - a hex editor can often
recover most of the info.
 
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