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# Microsoft Outlook vs Spark Comparison - What are their main differences?

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OutlookSpark[+ Add Product](#)

Reviews

**Microsoft Outlook** [

4.5/5(3,545)

](https://www.g2.com/products/microsoft-outlook/reviews#reviews)

**Spark** [

4.3/5(54)

](https://www.g2.com/products/apache-spark/reviews#reviews)

Pricing

**Microsoft Outlook**
No pricing available

**Spark**
No pricing available

**Pricing Insights**
from reviews

Time to Implement

**Microsoft Outlook**
1 month

Based on 92 responses

**Spark**
Not enough reviews yet

Return on Investment

**Microsoft Outlook**
14 months

Based on 71 responses

**Spark**
Not enough reviews yet

Perceived Cost

**Microsoft Outlook**
$$$$$

**Spark**
$$$$$

Average Discount

**Microsoft Outlook**
9%

**Spark**
Not enough reviews yet

Pros & Cons

**Microsoft Outlook**
[
Ease of Use (227)
](https://www.g2.com/products/microsoft-outlook/reviews?filters%5Bsentiment_snippet%5D=1199439&qs=pros-and-cons#reviews)[
Calendar Integration (125)
](https://www.g2.com/products/microsoft-outlook/reviews?filters%5Bsentiment_snippet%5D=1199419&qs=pros-and-cons#reviews)[
Slow Loading (84)
](https://www.g2.com/products/microsoft-outlook/reviews?filters%5Bsentiment_snippet%5D=1198753&qs=pros-and-cons#reviews)[
Slow Performance (82)
](https://www.g2.com/products/microsoft-outlook/reviews?filters%5Bsentiment_snippet%5D=1200573&qs=pros-and-cons#reviews)

**Spark**
Not enough data

Integrations

**Microsoft Outlook**
[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_a0e2cb339d344828450fa1d191c73dfa/8am-casepeer.png "Product Avatar Image")

8am CasePeer

](https://www.g2.com/products/8am-casepeer/reviews)[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_3daed0a0106e1008bdcaed7498296072/8am-mycase.png "Product Avatar Image")

8am MyCase

](https://www.g2.com/products/8am-mycase/reviews)[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_e89d21750715f4646ed61c011b2917dc/adobe-acrobat.png "Product Avatar Image")

Adobe Acrobat

](https://www.g2.com/products/adobe-acrobat/reviews)[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_58773a1e58e3f3d274316b3188ec4584/adobe-acrobat-reader.png "Product Avatar Image")

Reader

](https://www.g2.com/products/adobe-acrobat-reader/reviews)[
View all
](https://www.g2.com/products/microsoft-outlook/integrations)

**Spark**
Not enough data

Ratings

Meets Requirements

**Microsoft Outlook**

9.2

9.22,786

**Spark**

8.4

8.451

Ease of Use

**Microsoft Outlook**

9.0

9.02,880

**Spark**

8.6

8.653

Ease of Setup

**Microsoft Outlook**

9.1

9.11,053

**Spark**

8.3

8.315

Ease of Admin

**Microsoft Outlook**

8.6

8.6326

**Spark**

8.2

8.211

Quality of Support

**Microsoft Outlook**

8.6

8.62,269

**Spark**

7.5

7.546

Has the product been a good partner in doing business?

**Microsoft Outlook**

8.9

8.9307

**Spark**

8.1

8.18

Product Direction (% positive)

**Microsoft Outlook**

8.5

8.52,707

**Spark**

7.2

7.250

Features

Email Client[Hide 11 FeaturesShow 11 Features](javascript:void(0);)

8.8

1,326

Not enough data

Inbox Tools

Unified Inbox

9.1(won by default)

1105

Not enough data

Filters

8.9(won by default)

1187

Not enough data

Reminders

9.3(won by default)

1185

Not enough data

Notifications

9.2(won by default)

1191

Not enough data

Coordination Tools

Calendar

9.3(won by default)

1211

Not enough data

Contacts

8.9(won by default)

1156

Not enough data

Task Management

8.8(won by default)

1103

Not enough data

Software Options

Desktop Application

9.2(won by default)

1172

Not enough data

Mobile Application

8.7(won by default)

1123

Not enough data

Email Client - Agentic AI

Autonomous Task Execution

7.5(won by default)

117

Not enough data

Cross-system Integration

7.8(won by default)

124

Not enough data

Calendar[Hide 63 FeaturesShow 63 Features](javascript:void(0);)

9.0

1,537

Not enough data

Calendar View

Multi-Calendar View

9.0(won by default)

1242

Not enough data

Customizable Viewing

8.9(won by default)

1249

Not enough data

Shared Calendar

Calendar Collaboration

9.0(won by default)

1254

Not enough data

Multiple Calendar Management

8.9(won by default)

1201

Not enough data

Event Calendar

10.0(won by default)

5

Not enough data

Availability Management

9.7(won by default)

6

Not enough data

Event Management

9.2(won by default)

10

Not enough data

Email Management

9.7(won by default)

21

Not enough data

Appointment Management

10.0(won by default)

5

Not enough data

Task Management

10.0(won by default)

8

Not enough data

Attendance Management

Not enough data

Not enough data

Booking Management

Not enough data

Not enough data

Timesheet Management

Not enough data

Not enough data

Employee Management

Not enough data

Not enough data

Accessibility

Screen Reader Compatibility

8.8(won by default)

1066

Not enough data

Keyboard Shortcuts

8.6(won by default)

1086

Not enough data

Integration

Sync Multiple Calendars

8.8(won by default)

1148

Not enough data

Import Events

8.8(won by default)

1150

Not enough data

Software Integrations

8.9(won by default)

1267

Not enough data

Third-Party Integrations

10.0(won by default)

6

Not enough data

Website Integration

Not enough data

Not enough data

Notifications

Customized Calendar Notifications

9.0(won by default)

1189

Not enough data

Location-Based Alerts

8.5(won by default)

978

Not enough data

Alerts/Notifications

8.6(won by default)

7

Not enough data

Mobile Alerts

10.0(won by default)

5

Not enough data

Generative AI

AI Text-to-Image

7.4(won by default)

427

Not enough data

AI Text-to-Speech

7.5(won by default)

428

Not enough data

AI Image-to-Text

7.4(won by default)

426

Not enough data

Generative AI

9.4(won by default)

6

Not enough data

Agentic AI - Calendar

Cross-system Integration

7.8(won by default)

174

Not enough data

Calendar/Reminder System

Not enough data

Not enough data

Additional Functionality

Address Book

8.3(won by default)

6

Not enough data

Scheduling

9.4(won by default)

9

Not enough data

Reminders

10.0(won by default)

5

Not enough data

AI Copilot

10.0(won by default)

6

Not enough data

Class Scheduling

Not enough data

Not enough data

Customizable Templates

Not enough data

Not enough data

Email Reminders

Not enough data

Not enough data

Customizable Reports

Not enough data

Not enough data

Real-Time Reporting

Not enough data

Not enough data

Access Controls/Permissions

Not enough data

Not enough data

SMS Messaging

Not enough data

Not enough data

Automated Scheduling

Not enough data

Not enough data

Task Scheduling

Not enough data

Not enough data

Facility Scheduling

Not enough data

Not enough data

Attendance Tracking

Not enough data

Not enough data

Customer Database

Not enough data

Not enough data

Collaboration Tools

Not enough data

Not enough data

Customizable Branding

Not enough data

Not enough data

Room Booking

Not enough data

Not enough data

Real-Time Data

Not enough data

Not enough data

Electronic Payments

Not enough data

Not enough data

Customizable Forms

Not enough data

Not enough data

Calendar Sync

Not enough data

Not enough data

API

Not enough data

Not enough data

Customizable Fields

Not enough data

Not enough data

Drag & Drop

Not enough data

Not enough data

Color Codes/Icons

Not enough data

Not enough data

Event Scheduling

Not enough data

Not enough data

Real-Time Updates

Not enough data

Not enough data

Activity Tracking

Not enough data

Not enough data

Reporting & Statistics

Not enough data

Not enough data

Activity Dashboard

Not enough data

Not enough data

Email[Hide 6 FeaturesShow 6 Features](javascript:void(0);)

8.0

514

Not enough data

Generative AI

AI Text Generation

7.8(won by default)

471

Not enough data

AI Text Summarization

7.9(won by default)

467

Not enough data

AI Text-to-Speech

7.7(won by default)

457

Not enough data

Autonomous Task Execution

7.9(won by default)

145

Not enough data

Cross-system Integration

8.3(won by default)

156

Not enough data

Proactive Assistance

8.1(won by default)

149

Not enough data

Show 1 feature category with incomplete data

Collaboration & Productivity[Hide 45 FeaturesShow 45 Features](javascript:void(0);)

Not enough data

Not enough data

Additional Functionality

Third-Party Integrations

Not enough data

Not enough data

To-Do List

Not enough data

Not enough data

@mentions

Not enough data

Not enough data

Single Sign On

Not enough data

Not enough data

File Management

Not enough data

Not enough data

Activity Dashboard

Not enough data

Not enough data

Drag & Drop

Not enough data

Not enough data

Alerts/Notifications

Not enough data

Not enough data

Prioritization

Not enough data

Not enough data

Access Controls/Permissions

Not enough data

Not enough data

Screen Sharing

Not enough data

Not enough data

Content Management

Not enough data

Not enough data

Brainstorming

Not enough data

Not enough data

AI Copilot

Not enough data

Not enough data

File Transfer

Not enough data

Not enough data

Calendar Management

Not enough data

Not enough data

Status Tracking

Not enough data

Not enough data

Real-Time Notifications

Not enough data

Not enough data

Version Control

Not enough data

Not enough data

Task Management

Not enough data

Not enough data

Activity Tracking

Not enough data

Not enough data

Real Time Editing

Not enough data

Not enough data

Communication Management

Not enough data

Not enough data

Chat/Messaging

Not enough data

Not enough data

Tagging

Not enough data

Not enough data

Generative AI

Not enough data

Not enough data

Assignment Management

Not enough data

Not enough data

Task Scheduling

Not enough data

Not enough data

Project Management

Not enough data

Not enough data

Collaboration Tools

Not enough data

Not enough data

Workflow Management

Not enough data

Not enough data

Secure Data Storage

Not enough data

Not enough data

File Sharing

Not enough data

Not enough data

Document Storage

Not enough data

Not enough data

Task Progress Tracking

Not enough data

Not enough data

Discussions/Forums

Not enough data

Not enough data

Commenting/Notes

Not enough data

Not enough data

Reporting & Statistics

Not enough data

Not enough data

Contact Management

Not enough data

Not enough data

Video Conferencing

Not enough data

Not enough data

Progress Tracking

Not enough data

Not enough data

Mobile Access

Not enough data

Not enough data

API

Not enough data

Not enough data

Document Management

Not enough data

Not enough data

Customizable Branding

Not enough data

Not enough data

User Insights

Reviewers' Company Size

[![Microsoft Outlook](https://images.g2crowd.com/uploads/product/hd_favicon/5c440ee40ed0f9d1e1c0575dbdd12898/microsoft-outlook.png "Microsoft Outlook")](https://www.g2.com/products/microsoft-outlook/reviews)

Microsoft Outlook

Small-Business(50 or fewer emp.)

25.3%

Mid-Market(51-1000 emp.)

36.6%

Enterprise(\> 1000 emp.)

38.1%

[![Spark](https://images.g2crowd.com/uploads/product/hd_favicon/1487566689/apache-spark.png "Spark")](https://www.g2.com/products/apache-spark/reviews)

Spark

Small-Business(50 or fewer emp.)

27.8%

Mid-Market(51-1000 emp.)

31.5%

Enterprise(\> 1000 emp.)

40.7%

Small-Business

(50 or fewer emp.)

25.3%

27.8%

Mid-Market

(51-1000 emp.)

36.6%

31.5%

Enterprise

(\> 1000 emp.)

38.1%

40.7%

Reviewers' Industry

[![Microsoft Outlook](https://images.g2crowd.com/uploads/product/hd_favicon/5c440ee40ed0f9d1e1c0575dbdd12898/microsoft-outlook.png "Microsoft Outlook")](https://www.g2.com/products/microsoft-outlook/reviews)
Microsoft Outlook

Information Technology and Services

13.5%

Computer Software

8.1%

Financial Services

3.6%

Hospital & Health Care

3.5%

Higher Education

3.4%

Other

68.0%

[![Spark](https://images.g2crowd.com/uploads/product/hd_favicon/1487566689/apache-spark.png "Spark")](https://www.g2.com/products/apache-spark/reviews)
Spark

Computer Software

20.4%

Information Technology and Services

18.5%

Banking

7.4%

Computer & Network Security

5.6%

Accounting

3.7%

Other

44.4%

Alternatives

**Microsoft Outlook Alternatives**

 ![Spike](https://images.g2crowd.com/uploads/product/hd_favicon/ad8d6b14c633bf13965f58ef40a77f0f/spike.svg "Spike")

[
Spike
](/products/spike/reviews)

 ![Google Workspace](https://images.g2crowd.com/uploads/product/hd_favicon/16b55d7b1aa594a1a78d8ec91ebbca79/google-workspace.svg "Google Workspace")

[
Google Workspace
](/products/google-workspace/reviews)

 ![Superhuman Mail](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_ad00969d938c7811a1417d49ce0cccca/superhuman-mail.png "Superhuman Mail")

[
Superhuman Mail
](/products/superhuman-mail/reviews)

 ![Zoho Mail](https://images.g2crowd.com/uploads/product/hd_favicon/1555488294/zoho-mail.svg "Zoho Mail")

[
Zoho Mail
](/products/zoho-mail/reviews)

**Spark Alternatives**

 ![spring.io](https://images.g2crowd.com/uploads/product/hd_favicon/13b10fbf78fe0ef9bab8268eb1f3d7aa/spring-io.svg "spring.io")

[
spring.io
](/products/spring-io/reviews)

 ![Grails](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_36f1bae8310bb7a2f8417ff867932e4a/grails.png "Grails")

[
Grails
](/products/grails/reviews)

 ![Vaadin](https://images.g2crowd.com/uploads/product/hd_favicon/3eafadce7e5a72d053cf43e5a41bce36/vaadin%282%29.svg "Vaadin")

[
Vaadin
](/products/vaadin/reviews)

 ![Eclipse Jetty](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_320b82979daacdc4cd4fab507d50195f/eclipse-jetty.jpeg "Eclipse Jetty")

[
Eclipse Jetty
](/products/eclipse-jetty/reviews)

## Microsoft Outlook vs Spark

When assessing the two solutions, reviewers found Microsoft Outlook easier to use, set up, and administer. Reviewers also preferred doing business with Microsoft Outlook overall.

- Reviewers felt that Microsoft Outlook meets the needs of their business better than Spark.
- When comparing quality of ongoing product support, reviewers felt that Microsoft Outlook is the preferred option.
- For feature updates and roadmaps, our reviewers preferred the direction of Microsoft Outlook over Spark.