Office 365 is installed as a 32-bit program on your Windows PC by default. Microsoft recommends the 32-bit version, even on 64-bit systems, to avoid compatibility issues with third-party add-ons. However, there may be instances when you'd want the 64-bit version, like if you're using a very large database or worksheet.
Here's how to install the 64-bit version of Office:
Step 1: Go to Office.com and log in using your Microsoft account.
Step 2: Click on the "My Account" shortcut.
Step 3: Click on the "Language and install options" link under the … Read more