Read this to quickly fix the problem
Fix – Word could not create work file. Check the Temp environment variable – Microsoft Word
The error message "Word could not create the working file. Check the temp environment variable" when you try to save, open, or view a Word document can prevent you from working on it. This error suggests that there is a problem with the location or settings of the temporary files that Word uses to store data.
Temporary files are essential for Word to function properly, as they help automatically save your documents or roll back changes to them. However, these temporary Word files can get corrupted, deleted, or lost in certain situations, such as malware infection, disk errors, registry changes, or an incorrect change in settings.
Fortunately, there are some simple and effective ways to fix this error and restore your Word functionality. To fix the Word could not create the work file error in Microsoft Word, follow the steps below.
