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I have a excel file and set a password by 'bashing' at they keyboard..
I was basically testing it and pressed everything.. Got me thinking, Is they a way to crack/remove the password?
I'm not on about just a sheet, I mean the actual file..
When I click to open the xlsx file a pop up box comes up asking for the password.. Easy way around it?
No there isn't. An xlsx (which is essentially a zip file) uses a far superior encryption model than earlier Excel formats (e.g. xls). In short, the whole file is encrypted as opposed to a password hash being embedded in an otherwise readable file.
Your only hope is to write a brute force cracker that mimics the bashing behaviour you describe. (e.g. unlikely that you have mixed case etc.).
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Closed 4 years ago.
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Problem, step by step:
Create a spreadsheet
Paste a csv file
Create a sort filter
Use the sort filter (A-Z)
Close the file (wait saving process)
Open the file (BANG: some rows was erased)
I consider a serious problem (consistency) as well as the correction a determining factor for an effective use or contracting of the solution.
This problem reproduced by me: https://youtu.be/M6_sEu8_F_E
Is there any expecting for repair or an alternative solution?
This problem will fixed in version 4.2
See https://github.com/ONLYOFFICE/DocumentServer/issues/63#issuecomment-259364585 (I assume this is your issue too)
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Closed 3 years ago.
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I'm interested in saving a pcap that has network layer name resolution. While it works great within Wireshark, how can I save it with the resolved names intact? Having this information would be extremely helpful for me and save me a lot of time if this is possible. I understand in the documentation that it can't be saved within the pcap file (http://www.wireshark.org/docs/wsug_html_chunked/ChAdvNameResolutionSection.html#idp390072124) but is there an alternative way to do so? Does anyone have any solutions to this?
Thanks in advance!
I haven't tried it myself, but in theory the name resolution information can/will be stored in the pcap-ng file format, which has been Wireshark's default file format since version 1.8. The old pcap file format you cite won't, but pcap-ng has a specific defined block type in its format for ip<->name resolution information.
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I have a PowerPoint file created in Microsoft Office 365 (2013), and we password protected it, the only thing is now I'm trying to remove it but it's still showing a password. It's showing 2 layers of password, if I set to encrypt it it shows that one, but then asks again for the "reserved" password. I can then remove the "encrypt" password but it still has a "reserved" password. Does anyone know how to remove the "reserved" password? I can't seem to find anything online.
Go Save as (F12), then on the Save As Dialog, click Tools->General Options... next to the save button, and clear any passwords in there. :)
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I would like to know if there is a reason to not use .xlsb file format all the time, instead of .xlsx or .xlsm?
I've looked at this post: When should the xlsm or xlsb formats be used?
and also done some basic tests myself, it seems binary format is way superior. So I'm curious to know whether I shouldn't just use .xlsb all the time and say goodbye to .xlsx or .xlsm. Is there a catch somewhere?
The only reason not to use .xlsb is for compatibility reasons since since many other software applications cannot handle the format.
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In linux, Is there a way I can save my long/complex passwords I have to type like hundreds times daily basis somewhere and create a hot key against them so that every time i want to input the password, I can just use the hot key?
Use some sort of password manager like kwallet, i personally use keepass on windows. Pressing ctrl+alt+a autotypes passwords.