From April 2023, Microsoft will not provide security updates for Office 2013. It's time to move. If you use Microsoft 365, apps for enterprise is best..
Microsoft Office Professional 2013 Step by Step
Office 2013 End of Support - Microsoft 365
Office 2013 End of Life: When and How to Do after Expiration
Outlook Not Responding – solutions for hanging, freezing, crashing
Time to Move Our Collections! - The Devil's Tale
Office 2013 End of Support - Microsoft 365
Use rules to create an out of office message - Microsoft Support
Remove Office 2013 Upgrade Banner - Outlook Tips
Office 2013 End of Support - Microsoft 365