If you have a Microsoft 365 subscription, check these two folder locations for a backup file:
To check whether this option is on, select File > Options > Advanced, scroll down to the Save section, and then select Always create backup copy. If you have the 'backup copy' option selected in Word, there might be a backup copy of the file. Word backup file names have a '.wbk' extension. If the search results don't contain the file, go to the next method. If the Documents list (or Files list in Windows 8.1) contains the document, double-click the document to open it in Word.Select Start, type the document name (in Windows 8.1, type the name in the Search box), and then press Enter.Try searching for the document in Windows: To find a lost document: Search for Word documents If you can’t open the document, or the content in the document is damaged, see How to troubleshoot damaged documents in Word. Find lost files after the upgrade to Windows 10.If you're looking for information about how to recover other recent Office files, see the following articles: Restarting Word to open AutoRecover files.You can try to recover an unsaved Word document by: