Unlike the subscription-based Microsoft 365, which requires a monthly or annual fee, Office 2021 Home & Business gives you perpetual access to the software for a single, upfront cost. This "lifetime license" model makes it a cost-effective option for those who do not require the constantly updating features and extensive cloud storage that come with a Microsoft 365 plan.
Assume subscription cost = $99.99/year × 5 years = . Office 2021 lifetime license = ~$250 (at MSRP). Savings with perpetual = ~$250 .
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