That filename ( SW_DVD5 ) indicates a legitimate Microsoft Volume Licensing DVD image. That is the "better" file.
This expanded "roadway" for data means your computer can process information more efficiently without the "traffic jams" common in memory-restricted 32-bit environments. Key Benefits of MS Office 2019 64-Bit index of ms office 2019 64 bit better
: 32-bit Office is limited to 2GB of virtual address space, even if your PC has 16GB or more RAM. 64-bit apps can access up to 128TB, preventing "out of memory" crashes during heavy use. Index of MS Office 2019 64 Bit: Is it Better
: Offers up to 128 TB of virtual address space, allowing the application and its add-ins to share more resources without hitting memory bottlenecks. This expanded "roadway" for data means your computer