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WPO365 | MICROSOFT 365 GRAPH MAILER

v6.4

by Marco van Wieren · updated 4 days ago

Send WordPress emails from a M365 / Exchange Online Mailbox using Microsoft Graph, leveraging OAuth for authentication which is more secure than SMTP

emailmicrosoftphpmailersmtpwp_mail
WordPress.org SaveAnalyze reviews Track this plugin
Rank
#1,659
Up4 vs yesterday
Active installs (est.)
≈ 15,000
10K+ reported · Medium
Total downloads
302.3K
302,306 all-time
Rating
5.0/5
41 reviews
Support resolved
0%
0 of 1 threads, last 2 months
Growing·Downloads +38.4% (30d)·Toward 20K+ · ETA ~27d

WPO365 at a glance

WPO365 is a WordPress plugin by Marco van Wieren with 10K+ active installs, the #1,659 most popular plugin on WordPress.org. On a typical day it’s downloaded about 362 times, 38% more than the month before. It’s rated 5.0 out of 5 from 41 reviews. Version 6.4 came out on Nov 4, 2026 and is tested up to WordPress 7.1.4. Among the 29 plugins tagged “microsoft”, it ranks #3. It was first released in 2022.

Chart time range

Applies to every chart below. History from Oct 9, 2026, 31 days.

Showing the last 30 days. Full history comes with any paid plan.See plans

Downloads over time

Download stats

19.4K downloads · the last 30 days

Downloads over time
WPO365 Compare series
Downloads over time: 30 days across 1 series.01K2K3KOct 9Oct 14Oct 19Oct 24Oct 28Nov 2Nov 7Oct 29, 2026: Tested up to 7.1.4
View as table
DateWPO365
Nov 7, 2026240
Nov 6, 2026652
Nov 5, 20262,593
Nov 4, 20262,786
Nov 3, 2026280
Nov 2, 2026365
Nov 1, 2026125
Oct 31, 2026267
Oct 30, 2026342
Oct 29, 2026441
Oct 28, 2026551
Oct 27, 2026359
Oct 26, 2026382
Oct 25, 2026129
Oct 24, 2026150
Oct 23, 2026438
Oct 22, 2026786
Oct 21, 2026863
Oct 20, 2026564
Oct 19, 20263,160
Oct 18, 20261,834
Oct 17, 202674
Oct 16, 2026153
Oct 15, 2026245
Oct 14, 2026379
Oct 13, 2026281
Oct 12, 2026420
Oct 11, 202699
Oct 10, 2026105
Oct 9, 2026313

Unusual spikes are usually updates, not new installs.

Estimated installs

≈ 15,017 · +0.9% in the last 30 days

Estimated installs
Estimated installs: 30 days across 2 series.14.9K15KOct 9Oct 14Oct 19Oct 24Oct 29Nov 3Nov 8Oct 29, 2026: Tested up to 7.1.4
View as table
DateApproximate, from band changesEstimated installs
Nov 8, 2026–15,017
Nov 7, 2026–15,011
Nov 5, 2026–14,996
Nov 4, 2026–15,002
Nov 3, 2026–14,960
Nov 2, 2026–14,999
Nov 1, 2026–15,017
Oct 31, 2026–15,032
Oct 30, 2026–15,017
Oct 29, 2026–15,043
Oct 28, 2026–14,968
Oct 27, 202615,08115,081
Oct 26, 202615,070–
Oct 25, 202615,059–
Oct 24, 202615,048–
Oct 23, 202615,037–
Oct 22, 202615,026–
Oct 21, 202615,015–
Oct 20, 202615,004–
Oct 19, 202614,993–
Oct 18, 202614,982–
Oct 17, 202614,971–
Oct 16, 202614,960–
Oct 15, 202614,949–
Oct 14, 202614,938–
Oct 13, 202614,927–
Oct 12, 202614,916–
Oct 11, 202614,905–
Oct 10, 202614,894–
Oct 9, 202614,883–

Rank over time

#1,659 · up 28 in the last 30 days

Popular rank
Popular rank: 14 days across 1 series.#1.7K#1.7K#1.7KOct 16Oct 27Oct 31Nov 4Nov 8Oct 29, 2026: Tested up to 7.1.4
View as table
DateDaily snapshot
Nov 8, 2026#1,659
Nov 7, 2026#1,663
Nov 6, 2026#1,661
Nov 5, 2026#1,664
Nov 4, 2026#1,663
Nov 3, 2026#1,665
Nov 2, 2026#1,665
Nov 1, 2026#1,664
Oct 31, 2026#1,665
Oct 30, 2026#1,672
Oct 29, 2026#1,670
Oct 28, 2026#1,677
Oct 27, 2026#1,677
Oct 16, 2026#1,687

Growth %

Average +0.03% a day in the last 30 days

Growth %, day over day
Growth %, day over day: 29 days across 2 series.-0.5%0%0.5%Oct 10Oct 15Oct 20Oct 24Oct 29Nov 3Nov 8
View as table
DateApproximate, from band changesGrowth
Nov 8, 2026–+0.04%
Nov 7, 2026–+0.05%
Nov 5, 2026–-0.04%
Nov 4, 2026–+0.28%
Nov 3, 2026–-0.26%
Nov 2, 2026–-0.12%
Nov 1, 2026–-0.10%
Oct 31, 2026–+0.10%
Oct 30, 2026–-0.17%
Oct 29, 2026–+0.50%
Oct 28, 2026–-0.75%
Oct 27, 2026+0.07%–
Oct 26, 2026+0.07%–
Oct 25, 2026+0.07%–
Oct 24, 2026+0.07%–
Oct 23, 2026+0.07%–
Oct 22, 2026+0.07%–
Oct 21, 2026+0.07%–
Oct 20, 2026+0.07%–
Oct 19, 2026+0.07%–
Oct 18, 2026+0.07%–
Oct 17, 2026+0.07%–
Oct 16, 2026+0.07%–
Oct 15, 2026+0.07%–
Oct 14, 2026+0.07%–
Oct 13, 2026+0.07%–
Oct 12, 2026+0.07%–
Oct 11, 2026+0.07%–
Oct 10, 2026+0.07%–

Active installs band

10K+ on WordPress.org

Active installs (rounded band)
Active installs (rounded band): 14 days across 1 series.9.5K10K10.5KOct 16Oct 27Oct 31Nov 4Nov 8Oct 29, 2026: Tested up to 7.1.4
View as table
DateDaily snapshot
Nov 8, 202610K+
Nov 7, 202610K+
Nov 6, 202610K+
Nov 5, 202610K+
Nov 4, 202610K+
Nov 3, 202610K+
Nov 2, 202610K+
Nov 1, 202610K+
Oct 31, 202610K+
Oct 30, 202610K+
Oct 29, 202610K+
Oct 28, 202610K+
Oct 27, 202610K+
Oct 16, 202610K+

Search rankings

Where it appears in WordPress.org search for the searches you track, checked every day.

See where WPO365 ranks in search

Track this plugin to check its position for the searches you choose, daily, with an alert when it moves.

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Change log

From our daily snapshot of WordPress.org
  1. So far:Rank #1663 → #1659
    • Released 6.4 (was 6.3)
  2. Rank #1677 → #1664Downloads -16.6%
    • Tested up to 7.1.3 → 7.1.4
  3. Rank #1687 → #1665Downloads -4.1%
    • Released 6.3 (was 6.2)

Versions in use

Share of active installs on each published version, from WordPress.org.

  • v6.429%
  • v6.326%
  • v6.27.7%
  • v6.16.9%
  • Other31%

Rating trend

5.0★★★★★41 reviews · steady in the last 30 days

Requirements & info

Version history
Version
6.4
Requires WordPress
5.0
Tested up to
7.1.4
Requires PHP
7.4
First released
Feb 4, 2022
Last updated
Nov 4, 2026
Releases, last 12 months
…

Questions about WPO365

How many websites use WPO365?

WPO365 is active on 10K+ WordPress sites, as WordPress.org reports it. WordPress.org rounds the number down, so the real count is somewhat higher. That makes it the #1,659 most popular plugin on WordPress.org.

How many times has WPO365 been downloaded?

302,306 times in total since 2022. On a typical day it’s downloaded about 362 times. See download stats

When was WPO365 last updated?

Version 6.4 came out on Nov 4, 2026 (4 days ago). See every release

Is WPO365 compatible with the latest WordPress?

Yes. It’s tested up to WordPress 7.1.4, the current version.

Does WPO365 have known security vulnerabilities?

None that affect the current version. WPVulnerability’s database lists 2 older issues, fixed in earlier versions, so keep WPO365 up to date. See its security record

Is WPO365 still maintained?

Yes. Its last release was 4 days ago. Its authors resolved 0 of the 1 support threads opened in the last two months.

What rating does WPO365 have?

5.0 out of 5 from 41 reviews on WordPress.org. 98% of them give 5 stars.

What are the best alternatives to WPO365?

The plugins most like WPO365, by the tags they share, are SMTP Mailer (70K+), SMTP2GO for WordPress (40K+) and Zoho Mail for WordPress (20K+). Compare all alternatives

Latest reviews

Analyze reviews
All reviews on WordPress.org

Review stats

5.0

★★★★★

41 reviews

  • 5 stars: 40 reviews, 98%
  • 4 stars: 0 reviews, 0%
  • 3 stars: 1 reviews, 2%
  • 2 stars: 0 reviews, 0%
  • 1 stars: 0 reviews, 0%
Positive
98%4–5★
Mixed
2%3★
Critical
0%1–2★
  • Each new 1★ review takes 81 five-star reviews to balance out.

Compare with competitors

Add up to 1 competitor. No account needed.

Starter · 1 competitor
WPO365
Suggested:
Metric
WPO365
Estimated installs≈ 15,000
Reported installs10K+
Rating5.0
Reviews41
Total downloads302.3K
AuthorMarco van Wieren
First releasedFeb 4, 2022
Version6.4
Requires WP5.0
Requires PHP7.4
Last updatedNov 4, 2026

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Compare all alternatives

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Side by side:WPO365 vs SMTP MailerWPO365 vs SMTP2GO for WordPressWPO365 vs Zoho Mail for WordPress

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