Einstein Activity Capture vs. Outlook Integration vs. Inbox: Which Should You Pick in 2026?
Salesforce ships three ways to sync your email with your CRM, and they solve different problems. Here is the honest breakdown of what each one actually does, what it costs, and which one your team should deploy.
Salesforce ships three different products for syncing email with your CRM, and most teams pick the wrong one because they never realized they were different. Einstein Activity Capture (EAC), Outlook Integration, and Salesforce Inbox each solve a distinct problem. Deploy the wrong one and your reps either double-log activities or lose track of half of them. Here is the honest comparison.
What Each Product Actually Does
- Outlook Integration, a side panel inside Outlook that lets reps view and update Salesforce records without leaving their inbox. No auto-sync. Manual logging.
- Salesforce Inbox, Outlook Integration + productivity features: email templates, tracking, send later, meeting insights. Still manual sync but faster.
- Einstein Activity Capture (EAC), background sync of emails and calendar events to the correct Salesforce records, no clicks required. This is the one modern teams want.
Which Should You Pick?
| Your priority | Best fit |
|---|---|
| Zero manual logging, cleaner activity data | Einstein Activity Capture |
| Productivity features in Outlook (templates, tracking) | Salesforce Inbox |
| Just view/edit Salesforce records from Outlook | Outlook Integration (free) |
| Full activity history retained in Salesforce forever | Not EAC, see the "activity storage" trap below |
The EAC Trap Nobody Warns You About
Einstein Activity Capture stores emails and events in Salesforce's activity cloud, not in the standard Task/Event objects. That means:
- Reports built on Task/Event may miss EAC-captured activities.
- Custom fields on Task/Event do not apply.
- Data retention is capped (24 months by default).
The fix: enable "Add Emails to Salesforce" as write-back, or budget for the enhanced retention. See our guide on sales productivity levers for the broader stack.
Regional Notes
- EU (France, Germany, Belgium, Luxembourg, Switzerland): works-council consultation typically required when EAC captures rep emails. See GDPR guide.
- US & Canada: disclosure to reps and to external contacts is the norm; check state-level rules. See US, Canada.
Frequently Asked Questions
Is Einstein Activity Capture free?
Basic EAC is bundled with most Sales Cloud editions. Advanced features (extended retention, Einstein insights) are paid add-ons.
Can I use EAC and Salesforce Inbox together?
Yes, they complement each other. EAC handles the background sync; Inbox provides productivity features inside Outlook.
How long does EAC take to deploy?
A clean deployment: 1–2 weeks including works-council consultation in EU markets.
What if my reps use Gmail instead of Outlook?
All three products support Gmail via the equivalent Salesforce for Gmail extension.
Get a 30-Minute Recommendation
Not sure which to pick? Book a 30-minute call, we will map it to your stack in one session.
If this sounds like your CRM, let's look at it together.
Thirty minutes, no deck, no pitch. You leave with a diagnosis either way.