Alternatively, go to . Right-click on your Office installation and select "Change." The maintenance dialog will also display the bitness.
If you have a valid product key (either a retail box or a Volume License), here is how to ensure you get the 64-bit edition.
However, history does not stand still. As of today, using Office 2013 on a modern internet-connected machine exposes you to unpatched vulnerabilities. Microsoft has moved on, and so have web standards (OAuth 2.0, Modern Authentication) which may cause Outlook 2013 to fail with Gmail or Outlook.com in the near future. Office 2013 64 Bits
| Component | Requirement | |-----------|-------------| | | Windows 7, 8, 8.1, 10, or Windows Server 2008 R2+ (64-bit OS only) | | CPU | 1 GHz or faster, x64 architecture | | RAM | 2 GB (minimum); 4+ GB recommended for large files | | Disk space | 3.5–4.0 GB | | Graphics | DirectX 10, 1024×576 minimum resolution | | .NET Framework | 3.5, 4.0, or 4.5 required |
Installing Office 2013 64 bits is a straightforward process: Alternatively, go to
| Action | Recommended? | |--------|--------------| | Continue using offline (air-gapped) | Possible, but risky | | Connect to internet | ❌ Not recommended | | Upgrade to (latest) | ✅ Yes | | Switch to Office 2021 LTSC or Office 2024 | ✅ Yes (perpetual license) | | Migrate to LibreOffice (64-bit native) | ✅ For budget/free option |
Most VBA macros will work fine, but if they use "Declare" statements to call Windows APIs, the code must be updated to be 64-bit compatible. The Verdict: Is It Still Relevant? However, history does not stand still
Many users install Office without realizing the bitness. To verify: