mailfloss vs Microsoft Dynamics 365 Sales: Data Enrichment Tool vs CRM Platform Comparison
Compare mailfloss (data enrichment tool) and Microsoft Dynamics 365 Sales (CRM platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Compare mailfloss (data enrichment tool) and Microsoft Dynamics 365 Sales (CRM platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Reviewed and updated September 4, 2026
mailfloss vs Microsoft Dynamics 365 Sales: Data Enrichment Tool vs CRM Platform Comparison
mailfloss is a data enrichment tool; Microsoft Dynamics 365 Sales is a CRM platform. Whether you need one, the other, or both depends on which part of the workflow you are buying for: B2B lead data and contact enrichment on one side, customer relationship management and sales pipeline tracking on the other. This guide lays out what each vendor publishes.
The Quick Answer
mailfloss is a data enrichment tool for B2B lead data and contact enrichment; Microsoft Dynamics 365 Sales is a CRM platform for customer relationship management and sales pipeline tracking. By each vendor's own wording, mailfloss lists cleans your list daily and removes addresses that decay over time, and Microsoft Dynamics 365 Sales lists sales force automation and microsoft 365 interoperation.
mailfloss offers a lower entry point at $29/mo compared to Microsoft Dynamics 365 Sales at $65/mo.
If your priority is finding accurate contact data for target accounts, mailfloss is the one built for it; for organizing contacts, tracking deals, and forecasting revenue, that is Microsoft Dynamics 365 Sales. Many teams run one of each.
Understanding the Core Difference
mailfloss is mailfloss is an email verification service that connects to your email marketing platform and cleans the list daily on autopilot, removing bad addresses, fixing typos and blocking bot and spam signups in real time. Subscriptions are sized by credits per month; prepaid credits cover one-time list uploads.
Microsoft Dynamics 365 Sales is Dynamics 365 Sales is Microsoft's sales force automation product, covering pipeline, reporting and dashboards with contextual insights and Copilot AI. It interoperates with Microsoft 365 and pairs with LinkedIn Sales Navigator through the Microsoft Relationship Sales offer.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Lite
Dynamics 365 Sales Professional
mailfloss Pricing (as of September 2026)
| Plan | Price | Emails |
|---|---|---|
| Lite | $29/mo | 10,000 credits/month |
| Business | $59/mo | 25,000 credits/month |
| Pro | $209/mo | 125,000 credits/month |
| Prepaid credits | Usage-based | - |
Source: mailfloss Pricing
Microsoft Dynamics 365 Sales Pricing (as of September 2026)
| Plan | Price | Contacts |
|---|---|---|
| Dynamics 365 Sales Professional | $65/mo | - |
| Dynamics 365 Sales Enterprise Edition | $105/mo | - |
| Dynamics 365 Sales Premium | $150/mo | 1,000 Copilot Credits per user/month |
| Microsoft Relationship Sales | Contact Sales | Requires a 10-seat minimum |
Source: Microsoft Dynamics 365 Sales Pricing
Pricing Analysis
mailfloss is more affordable at the entry level ($29/mo vs $65/mo). For teams with tight budgets or those just getting started with B2B lead data and contact enrichment and customer relationship management and sales pipeline tracking, this price difference matters.
Features Breakdown
- Cleans your list daily
- Removes addresses that decay over time
- Custom keep and remove rules
- Zapier integration
- Real-time API
- Webhooks
- and 4 more listed below
- Sales force automation
- Microsoft 365 interoperation
- Reporting and dashboards
- Customization and automation
- Conversation intelligence
- Sales engagement
- and 2 more listed below
mailfloss Key Features
- Cleans your list daily
- Removes addresses that decay over time
- Custom keep and remove rules
- Zapier integration
- Real-time API
- Webhooks
- Automatically fixes typos
- Prevents bounces in real-time
- Auto-tags subscribers after verification
- Single sign-on
Microsoft Dynamics 365 Sales Key Features
- Sales force automation
- Microsoft 365 interoperation
- Reporting and dashboards
- Customization and automation
- Conversation intelligence
- Sales engagement
- Copilot capabilities in Dynamics 365 Sales
- Access to Sales Qualification, Opportunity, Research and Close agents
The two lists below are a diff of each vendor's own feature list by exact wording, so a capability both tools offer can appear on either side under a different name.
Listed only by mailfloss
- Cleans your list daily
- Removes addresses that decay over time
- Custom keep and remove rules
- Zapier integration
- Real-time API
- Webhooks
- Automatically fixes typos
- Prevents bounces in real-time
- Auto-tags subscribers after verification
- Single sign-on
Listed only by Microsoft Dynamics 365 Sales
- Sales force automation
- Microsoft 365 interoperation
- Reporting and dashboards
- Customization and automation
- Conversation intelligence
- Sales engagement
- Copilot capabilities in Dynamics 365 Sales
- Access to Sales Qualification, Opportunity, Research and Close agents
Integration Ecosystem
mailfloss Integrations
mailfloss connects with: Mailchimp, Klaviyo, HubSpot, ActiveCampaign, Kit, beehiiv, GoHighLevel, Braze, AWeber, Drip, MailerLite, Constant Contact, Brevo, Campaign Monitor, GetResponse, Ontraport, iContact, Sendlane, Moosend, Keap, Intercom, Customer.io, Iterable, Ghost, Emma, SendPulse, Benchmark, Mautic, Zapier.
Microsoft Dynamics 365 Sales Integrations
Microsoft Dynamics 365 Sales connects with: Microsoft 365, Outlook, Microsoft Teams, LinkedIn Sales Navigator, Microsoft Copilot Studio, Azure.
Integrations listed only by mailfloss: Mailchimp, Klaviyo, HubSpot, ActiveCampaign, Kit, beehiiv, GoHighLevel, Braze, AWeber, Drip, MailerLite, Constant Contact, Brevo, Campaign Monitor, GetResponse, Ontraport, iContact, Sendlane, Moosend, Keap, Intercom, Customer.io, Iterable, Ghost, Emma, SendPulse, Benchmark, Mautic, Zapier.
Integrations listed only by Microsoft Dynamics 365 Sales: Microsoft 365, Outlook, Microsoft Teams, LinkedIn Sales Navigator, Microsoft Copilot Studio, Azure.
Use Case Recommendations
Best Fit for mailfloss
- Budget-conscious teams looking for an affordable data enrichment tool
- Teams that need a wide feature set (10 capabilities listed)
- Organizations with complex tech stacks needing broad integration support (29 integrations)
- Enterprise buyers who prefer custom pricing and dedicated support
Best Fit for Microsoft Dynamics 365 Sales
- Enterprise buyers who prefer custom pricing and dedicated support
- Sales teams tracking deals from first touch to close
- Managers who need pipeline visibility and forecasting
- Growing teams that need scalable contact management
Feature Comparison Summary
| Feature | mailfloss | Microsoft Dynamics 365 Sales |
|---|---|---|
| Starting Price | $29/mo | $65/mo |
| Top Tier Price | Usage-based | Contact Sales |
| Total Features Listed | 10 | 8 |
| Integrations | 29 | 6 |
Getting Started Checklist
- Define your B2B lead data and contact enrichment and customer relationship management and sales pipeline tracking requirements and monthly budget
- Estimate your expected data credits or contact lookups and contacts and deals to find the right tier
- List the integrations your team currently relies on
- Sign up for free trials or demos of both platforms
- Run a small test with each tool before making a commitment
- Evaluate the onboarding experience and support quality
Final Thoughts
mailfloss serves the B2B lead data and contact enrichment side of an outbound stack and Microsoft Dynamics 365 Sales the customer relationship management and sales pipeline tracking side. mailfloss offers a more accessible entry point at $29/mo, while Microsoft Dynamics 365 Sales starts at $65/mo. Your decision should weigh pricing against the specific features that matter most for your workflow.
Start with a trial of each to see which platform fits your team's daily process. The best tool is the one your team actually uses consistently.
Pricing and features verified as of September 2026. Visit mailfloss and Microsoft Dynamics 365 Sales for current information.
About the author.
Tim Carden is CMO / CTO at RevenueFlow, which builds and operates outbound revenue engines for B2B companies. Studied at McGill University.
Tim Carden · CMO / CTO
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