Here I have illustrated all the solutions using MS Word application. You can even make use of other Office applications to fix the issues.
Errors while trying to open office applications
·         Word application shows “Word experienced an error trying to open the file
·         In Excel you might get “This file is corrupt and cannot be opened”
·         PowerPoint application may render one of the following error
·         “The application was unable to start correctly
·         “PowerPoint found a problem with filename.
·         “Sorry, PowerPoint can’t read filename.


Update Office Application
You can update each office application individually. Let us try with MS Word application.
·         Open MS Word and click on File tab
·         Go to Account and Select Update Options
·         Click on Update Now button
For more solutions www.officesetup

Office Documents Downloaded from Email Attachments would not open Reinstall Office Suite www.officesetup

After following above mentioned method, try to open email attachments, if it does not work, reinstall your MS Office suite. Before installation, completely uninstall it from your computer. Then, open downloaded documents.
If you fail to open Office document even after Office suites reinstallation, then there is chance of document corruption. To fix the corrupted documents, you can make use of File Repair Tool. In case, you want to repair Word files, then use Remo Word Repair Tool. The software comes handy to www.officesetup as well as DOC files in simple 3 steps.