How to unlock a Microsoft .docx document? – Super User

DocX is a compressed zip container file. Make a copy of the original docx file. If you unzip it, there is a subfolder named word with a file named settings.xml. You can open settings.xml with a plain text editor.Within that there is a block of text:

<w:documentProtection
w:edit=""
w:enforcement="1"
 w:cryptProviderType=""
 w:cryptAlgorithmClass=""
 w:cryptAlgorithmType=""
 w:cryptAlgorithmSid=""
 w:cryptSpinCount=""
 w:hash=""
 w:salt=""/>

You can either change w:enforcement value to 0 or remove the block

Source: How can I unlock a Microsoft .docx document? – Super User

OneDrive for Business stops syncing libraries, or the icon overlays don’t appear on synchronized files and folders after you install Office 2016

PROBLEM

Consider the following scenario.

  • You upgraded to Office 2016 on your computer.
  • When you use OneDrive for Business, your libraries stop syncing and the icon overlays don’t appear on synchronized files and folders.
SOLUTION

To resolve this issue, perform these steps:

  1. Manually start the OneDrive for Business Desktop app by using the Start menu.
  2. Restart the computer.Note After you restart your computer, you shouldn’t have to manually start OneDrive for Business again. The OneDrive for Business Desktop app should start on its own and then sync your libraries.
MORE INFORMATION

This is a known issue. This issue occurs because OneDrive for Business doesn’t restart after you install Office 2016.

how to dual-run Office XP/2K3 and Office 2007

To run both versions of Office 2002/3 and Office 2007 on same machine:

  1. Set the file-types to open with relative version of Office: .doc, .docx, etc.
    (i.e. set .doc to open with word 2002 and .docx with 2007)
  2. Open Regedit
  3. HKEY_CURRENT_USER\Software\Microsoft\Office

For Word 2007:

  1. \12.0\Word\Options
  2. create a new DWORD value and set it to 1

For Word 2003:

  1. \11.0\Word\Options
  2. create a new DWORD value and set it to 1

For Word XP/2002:

  1. \10.0\Word\Options
  2. create a new DWORD value and set it to 1

Credits to: Geoff
http://www.gearfire.net/run-office-xp-office-2007-computer/