Microsoft Office 2013 Disk / Memory and Environment errors
Are you getting the following errors after a Windows 10 Update?
Word could not create the work file. Check the temp environment variable error when previewing Microsoft Word documents
Microsoft Excel Cannot Open or Save Any More Documents Because there is Not Enough Available Memory or Disk Space
if you have renamed your user account at some point in the past, your cache and cookies folders may have the incorrect paths in the following location in the registry:
Computer\HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders