Document cannot be opened due to totally corrupted.
Cause:
The document is completely corrupted.
Solution:
Since no backup was made of the document, it is not possible to retrieve the file.
Enable the 'Always Create Backup' option to avoid future problems with corrupt files.
1) Select the 'Tools' menu and select 'Options...'. (The Options dialog box appears.)
2) Click the 'Save' tab.
3) Select the 'Always Create Backup Copy' check box.
Always Create Backup
4) Click 'OK'.
NOTE: When this feature is enabled, with each save Word renames the previously saved version of document as 'Backup of Document Name.wbk' (where 'Document Name' is the name of the saved file).