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#1
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Hi,
Got a bit of a problem with a protected worksheet. The person who created the sheet has now left my company and we need to access it to update it with new formulas. Is it possible to do this without a password e.g. saving the sheet as a seperate name - or do we have to re-build the entire sheet from scratch? thanks, Bryan |
#2
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See
http://www.mcgimpsey.com/excel/removepwords.html In article , Bryan wrote: Hi, Got a bit of a problem with a protected worksheet. The person who created the sheet has now left my company and we need to access it to update it with new formulas. Is it possible to do this without a password e.g. saving the sheet as a seperate name - or do we have to re-build the entire sheet from scratch? thanks, Bryan |
#3
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![]() have a look on www.mcgimpsey.com/excel/removepwords.html regards -- tony h ------------------------------------------------------------------------ tony h's Profile: http://www.excelforum.com/member.php...o&userid=21074 View this thread: http://www.excelforum.com/showthread...hreadid=532564 |
#4
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Thanks,
I have done this and it worked a treat! Thanks for your help, Bryan "JE McGimpsey" wrote: See http://www.mcgimpsey.com/excel/removepwords.html In article , Bryan wrote: Hi, Got a bit of a problem with a protected worksheet. The person who created the sheet has now left my company and we need to access it to update it with new formulas. Is it possible to do this without a password e.g. saving the sheet as a seperate name - or do we have to re-build the entire sheet from scratch? thanks, Bryan |
#5
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JE
I went to your site: http://www.mcgimpsey.com/excel/removepwords.html Very useful. I have one question. In the remarked-out text with the code, you say "Reveals hashed passwords NOT original passwords". You lost me there. What are "hashed passwords" and what are "original passwords"? Thanks for your help. Otto "JE McGimpsey" wrote in message ... See http://www.mcgimpsey.com/excel/removepwords.html In article , Bryan wrote: Hi, Got a bit of a problem with a protected worksheet. The person who created the sheet has now left my company and we need to access it to update it with new formulas. Is it possible to do this without a password e.g. saving the sheet as a seperate name - or do we have to re-build the entire sheet from scratch? thanks, Bryan |
#6
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JE
A second question/problem. I made up a dummy file with 3 sheets. I protected the file and each sheet with passwords, different passwords in each case. The code removed the sheet protections and the associated passwords, but it did nothing about the workbook-open protection or password. In fact, a MsgBox at the start said that the file did not have protection for workbook structure or windows. When I now run the code again, the MsgBox says that the file does not have sheet or workbook structure or window protection. Did I miss something? Thanks again for your help. Otto "Otto Moehrbach" wrote in message ... JE I went to your site: http://www.mcgimpsey.com/excel/removepwords.html Very useful. I have one question. In the remarked-out text with the code, you say "Reveals hashed passwords NOT original passwords". You lost me there. What are "hashed passwords" and what are "original passwords"? Thanks for your help. Otto "JE McGimpsey" wrote in message ... See http://www.mcgimpsey.com/excel/removepwords.html In article , Bryan wrote: Hi, Got a bit of a problem with a protected worksheet. The person who created the sheet has now left my company and we need to access it to update it with new formulas. Is it possible to do this without a password e.g. saving the sheet as a seperate name - or do we have to re-build the entire sheet from scratch? thanks, Bryan |
#7
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JE
Now that I have read everything you wrote on your site, I take back my last message. Thanks. Otto "Otto Moehrbach" wrote in message ... JE A second question/problem. I made up a dummy file with 3 sheets. I protected the file and each sheet with passwords, different passwords in each case. The code removed the sheet protections and the associated passwords, but it did nothing about the workbook-open protection or password. In fact, a MsgBox at the start said that the file did not have protection for workbook structure or windows. When I now run the code again, the MsgBox says that the file does not have sheet or workbook structure or window protection. Did I miss something? Thanks again for your help. Otto "Otto Moehrbach" wrote in message ... JE I went to your site: http://www.mcgimpsey.com/excel/removepwords.html Very useful. I have one question. In the remarked-out text with the code, you say "Reveals hashed passwords NOT original passwords". You lost me there. What are "hashed passwords" and what are "original passwords"? Thanks for your help. Otto "JE McGimpsey" wrote in message ... See http://www.mcgimpsey.com/excel/removepwords.html In article , Bryan wrote: Hi, Got a bit of a problem with a protected worksheet. The person who created the sheet has now left my company and we need to access it to update it with new formulas. Is it possible to do this without a password e.g. saving the sheet as a seperate name - or do we have to re-build the entire sheet from scratch? thanks, Bryan |
#8
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Otto,
I think both your questions has one answer; I believe J.E.'s "original passwords" are the password you set under filesave as, toolsgeneral options and password to open and password to modify -- Regards, Peo Sjoblom http://nwexcelsolutions.com "Otto Moehrbach" wrote in message ... JE A second question/problem. I made up a dummy file with 3 sheets. I protected the file and each sheet with passwords, different passwords in each case. The code removed the sheet protections and the associated passwords, but it did nothing about the workbook-open protection or password. In fact, a MsgBox at the start said that the file did not have protection for workbook structure or windows. When I now run the code again, the MsgBox says that the file does not have sheet or workbook structure or window protection. Did I miss something? Thanks again for your help. Otto "Otto Moehrbach" wrote in message ... JE I went to your site: http://www.mcgimpsey.com/excel/removepwords.html Very useful. I have one question. In the remarked-out text with the code, you say "Reveals hashed passwords NOT original passwords". You lost me there. What are "hashed passwords" and what are "original passwords"? Thanks for your help. Otto "JE McGimpsey" wrote in message ... See http://www.mcgimpsey.com/excel/removepwords.html In article , Bryan wrote: Hi, Got a bit of a problem with a protected worksheet. The person who created the sheet has now left my company and we need to access it to update it with new formulas. Is it possible to do this without a password e.g. saving the sheet as a seperate name - or do we have to re-build the entire sheet from scratch? thanks, Bryan |
#9
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JE
Another comment/question. In your site you differentiate between Workbook protection and File protection. I've always considered Workbook and File to mean the same thing, but I understand the distinction that you explain as regards protection. When I protected the file, I did so with Tools - Options - Security tab, typed in a password. All that was done before I saved the file. I then saved and closed and opened the file and verified that I indeed needed a password to open the file. As I understand your explanation in your site, your code should have removed my Workbook protection, but it didn't. Did I miss something? Otto "Otto Moehrbach" wrote in message ... JE A second question/problem. I made up a dummy file with 3 sheets. I protected the file and each sheet with passwords, different passwords in each case. The code removed the sheet protections and the associated passwords, but it did nothing about the workbook-open protection or password. In fact, a MsgBox at the start said that the file did not have protection for workbook structure or windows. When I now run the code again, the MsgBox says that the file does not have sheet or workbook structure or window protection. Did I miss something? Thanks again for your help. Otto "Otto Moehrbach" wrote in message ... JE I went to your site: http://www.mcgimpsey.com/excel/removepwords.html Very useful. I have one question. In the remarked-out text with the code, you say "Reveals hashed passwords NOT original passwords". You lost me there. What are "hashed passwords" and what are "original passwords"? Thanks for your help. Otto "JE McGimpsey" wrote in message ... See http://www.mcgimpsey.com/excel/removepwords.html In article , Bryan wrote: Hi, Got a bit of a problem with a protected worksheet. The person who created the sheet has now left my company and we need to access it to update it with new formulas. Is it possible to do this without a password e.g. saving the sheet as a seperate name - or do we have to re-build the entire sheet from scratch? thanks, Bryan |
#10
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Otto
There are several types of password protection. 1. Password to open the file. Can be set at FileSave AsToolsGeneral Options. 2. Password on a protected worksheet. This is set at ToolsProtectionProtect Sheet. Many functions can be disabled using this type of protection. 3. Workbook Protection password. This is set at ToolsProtectionProtect Workbook. This protects the workbook from having sheets deleted and other functions disabled. 4. VBA Project password to prevent viewers from looking at code modules. NOTE: except for File to Open protection and VBA project passwords, most forms of Excel protection are very weak and passwords can be easily cracked. Gord Dibben MS Excel MVP On Thu, 13 Apr 2006 15:19:26 -0400, "Otto Moehrbach" wrote: JE Another comment/question. In your site you differentiate between Workbook protection and File protection. I've always considered Workbook and File to mean the same thing, but I understand the distinction that you explain as regards protection. When I protected the file, I did so with Tools - Options - Security tab, typed in a password. All that was done before I saved the file. I then saved and closed and opened the file and verified that I indeed needed a password to open the file. As I understand your explanation in your site, your code should have removed my Workbook protection, but it didn't. Did I miss something? Otto "Otto Moehrbach" wrote in message ... JE A second question/problem. I made up a dummy file with 3 sheets. I protected the file and each sheet with passwords, different passwords in each case. The code removed the sheet protections and the associated passwords, but it did nothing about the workbook-open protection or password. In fact, a MsgBox at the start said that the file did not have protection for workbook structure or windows. When I now run the code again, the MsgBox says that the file does not have sheet or workbook structure or window protection. Did I miss something? Thanks again for your help. Otto "Otto Moehrbach" wrote in message ... JE I went to your site: http://www.mcgimpsey.com/excel/removepwords.html Very useful. I have one question. In the remarked-out text with the code, you say "Reveals hashed passwords NOT original passwords". You lost me there. What are "hashed passwords" and what are "original passwords"? Thanks for your help. Otto "JE McGimpsey" wrote in message ... See http://www.mcgimpsey.com/excel/removepwords.html In article , Bryan wrote: Hi, Got a bit of a problem with a protected worksheet. The person who created the sheet has now left my company and we need to access it to update it with new formulas. Is it possible to do this without a password e.g. saving the sheet as a seperate name - or do we have to re-build the entire sheet from scratch? thanks, Bryan Gord Dibben MS Excel MVP |
#11
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Passwords that you enter, of whatever length, are converted, or hashed,
into what is effectively a 12-character string, and stored in the workbook, rather than what you entered. There can be an essentially infinite number of passwords, but each one will hash to one of the 194K 12-character strings. Since the original, or user-entered, password is not stored, only a representation of the hash can be determined (e.g., by brute-force attempts to unprotect the worksheet), not the original password. In article , "Otto Moehrbach" wrote: I have one question. In the remarked-out text with the code, you say "Reveals hashed passwords NOT original passwords". You lost me there. What are "hashed passwords" and what are "original passwords"? |
#12
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JE
Thanks for that. I understand it. Otto "JE McGimpsey" wrote in message ... Passwords that you enter, of whatever length, are converted, or hashed, into what is effectively a 12-character string, and stored in the workbook, rather than what you entered. There can be an essentially infinite number of passwords, but each one will hash to one of the 194K 12-character strings. Since the original, or user-entered, password is not stored, only a representation of the hash can be determined (e.g., by brute-force attempts to unprotect the worksheet), not the original password. In article , "Otto Moehrbach" wrote: I have one question. In the remarked-out text with the code, you say "Reveals hashed passwords NOT original passwords". You lost me there. What are "hashed passwords" and what are "original passwords"? |
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