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Chrome extensionwhat they say

Mail Checker for Outlook™

Mail Checker for Outlook™ | Save email to PDF, TXT or HTML

Mail Checker for Outlook™ lets you receive emails, save as PDF, TXT, or HTML, reply, and get notifications.

★★★★☆4.3 (21) · 4k+ users
Free$1/moPremium
Website ↗ Chrome Web Store ↗
what mrrlens sees
MRR · Estimated$20–100
Opportunity—
Buyer threads · 30 d0
“Need admin approval Outlook-Chrome-Extension needs permission to access resources in your organization that only an admin can grant.”
#1 complaint · Bugs/Reliability · 1 of 1 complaints read · analysed Oct 30, 2026 · source

01Revenue

$20–100

A month · the formula and every input are below

How this range is computed

active users × paid conversion × monthly price

  • monthly price: $1
  • active users: 4,000
  • 0.5%–2.5% of active users pay

A range from public signals and the listed price, not a claim about the company’s books. Methodology.

Store data from the Chrome Web Store listing, refreshed daily. Updated 5 d ago.

02Why users leave Mail Checker for Outlook™

Bugs/Reliability1 review · 1 of 1

Extension blocked by Outlook/Chrome admin-consent prompt; users cannot use it until an organization admin grants access.

“Need admin approval Outlook-Chrome-Extension needs permission to access resources in your organization that only an admin can grant.” source ↗

Sample: 1 recent complaint (1–3★ reviews) · clustered Oct 30, 2026 · complaints from Apr 2026–Apr 2026, almost all in the last 24 months · each review labelled by a model, quotes verbatim

03How to build a better Mail Checker for Outlook™

Build difficultyMediumOutlook/Chrome platform permissions and tenant admin consent are the main barriers.
Three build ideas that answer these complaintsIncluded in the day pass and Pro.
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04Who wants a better Mail Checker for Outlook™

0 buyer threads in the last 30 days name Mail Checker for Outlook™, and 4 more are in the same market.

05Questions about Mail Checker for Outlook™

How much revenue does Mail Checker for Outlook™ make?

MRRLens estimates Mail Checker for Outlook™ at $20–100 a month (low confidence). The range comes from public signals (active users × paid conversion × monthly price), not from the company's books; the formula and its inputs are shown on this page.

What do users complain about most in Mail Checker for Outlook™?

Across 1 recent complaints, the most common is bugs/reliability (1 of 1). Extension blocked by Outlook/Chrome admin-consent prompt; users cannot use it until an organization admin grants access.

What are the best Mail Checker for Outlook™ alternatives?

The closest alternatives MRRLens found are Hotmail, Google Mail Checker and Gmail App. The full list, with why users leave, is on the Mail Checker for Outlook™ alternatives page.

How many people use Mail Checker for Outlook™?

Mail Checker for Outlook™ lists 4k+ users on the Chrome Web Store, rated 4.3 (21).

See the full x-ray of Mail Checker for Outlook™

Full 1-star breakdown with verbatim quotes, the build blueprint and every live thread — on every product.