Windows Mail

ApplicationMicrosoft Corporation

Dem still dey call am mail and calendar, windows mail app, hxoutlook

Microsoft CorporationProductivity

The Windows 10 Mail and Calendar app. The process na HxOutlook.exe. Windows 11 dey often push New Outlook. No be classic Outlook.

Wetin you need know

Windows Mail na HxOutlook.exe. Classic Outlook na OUTLOOK.EXE. New Outlook na olk.exe.

The Windows 10 Mail and Calendar package no be Office Outlook. Windows 11 dey often invite you go New Outlook instead. To repair Microsoft 365 Apps no go bring this Store tile back.

Wetin e be?: Windows 10 Mail and Calendar
E be the same thing as Outlook?: No. Classic Outlook na OUTLOOK.EXE
Windows 11?: Dem dey often replace am with New Outlook

Feex tok say

If the process na HxOutlook.exe, that one na Windows Mail, no be classic Outlook. I no go run outlook.exe /safe to fix this Store app. New Outlook na olk.exe.

Wetin be Windows Mail?

Windows Mail na the Mail and Calendar Store package. HxOutlook.exe na the process. Classic Outlook na OUTLOOK.EXE. New Outlook na olk.exe. This article na about the older Store Mail app.

If you never use am before

If Windows 10 PC get Mail tile beside Calendar, this na HxOutlook.exe, no be classic Outlook. You no dey install WINWORD make you for get am. Windows 11 dey often replace this tile with New Outlook (olk.exe). OUTLOOK.EXE na the Office desktop client. Those three na different apps.

Wetin dem dey use am for?

Simple Microsoft and IMAP mail

Light Store client. Classic Outlook dey carry PST and COM add-ins wey this app no get.

Calendar beside Mail

The paired Calendar app inside the same package. olk.exe na New Outlook combined window.

Windows 10 leftover

E still dey on top plenti Windows 10 PCs. Windows 11 setup fit push you comot from this tile.

Na who e dey for?

Windows 10 users wey still dey open Mail
People wey Windows 11 dey migrate go New Outlook
Anybody wey no suppose look for Office16\OUTLOOK.EXE to explain HxOutlook.exe

Current status

Microsoft dey move consumers go New Outlook. Mail and Calendar fit still dey installed. This article na about HxOutlook.exe, no be classic Outlook.

How old e be?

Mail and Calendar ship as Store apps for Windows 8 / Windows 10 era (TSV year 2012). Classic Outlook start for 1997. New Outlook enter for 2022. Microsoft dey retire the Mail app path for many consumers make dem face New Outlook.

Versions

Major channels first. Exact build numbers no dey all verified here.

Mail and Calendar (HxOutlook)

New Outlook (replacement path)

System requirements

Values dey follow wetin di publisher release publicly. Workload still dey change di real need.

Minimum

Minimum system requirements
Operating system	Current supported Windows 10 or Windows 11 release, according to di vendor
RAM	E reach for Windows plus dis app. Heavy projects go want more.

Resource profile

CPU demand: Dey follow wetin you open inside di app
RAM demand: Dey follow documents, tabs, or libraries

Installed processes

Dese executables belong to dis product when e dey installed.

Installed processes
HxOutlook.exe	Mail and Calendar (Windows Communications Apps)

Startup components

Mail fit start for notifications. That one na Store app, no be OUTLOOK.EXE.

File locations

Common Windows Mail locations
Typical install	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_*\

File formats

mail inside Store app cache

Common wahala dem

Windows 11 change the tile go New Outlook

That one na olk.exe. This article na about the older Mail app. Use the New Outlook page if na that one open.

People dey find PST support

Classic Outlook dey open PST files. HxOutlook.exe no dey replace that one.

How to get unstuck

Open file location on top HxOutlook.exe

The Windows Communications Apps package na this product. Office16\OUTLOOK.EXE na classic Outlook. olk.exe na New Outlook.

Reinstall Mail and Calendar from Store listing 9WZDNCRFHVQM if the tile don vanish on top Windows 10

No download "Windows Mail" exe from filename site.

If Windows 11 don move you already, read the New Outlook article

To switch Mail back dey limited. Classic Outlook na third choice wey dey based on Office.

Alternatives

Classic Outlook, New Outlook, and Thunderbird dey do similar work. Classic Outlook na the Office brother wey this article no be.

Official help and downloads

Start with di vendor. Random exe sites no be support channel.

Official contacts
Download	apps.microsoft.com/detail/9wzdncrfhvqm Official installer or vendor page
Help	support.microsoft.com/windows/mail-and-calendar Vendor support
Official site	apps.microsoft.com/detail/9wzdncrfhvqm Start here, no be random exe host

Related hardware

One Store mail app. Big IMAP cache dey find disk space.

Technical details

Vendor version numbers dey change. Dis article no pin down any build.

Sources and verification

Recorded source label: August 2026. Dis label no establish independent verification. How we dey do research.

Windows Mail official site · Vendor product page
Windows Mail help · Vendor support
Microsoft Support: Mail and Calendar · In-box Mail help
New vs classic Outlook · Where Microsoft dey push consumers go
Foxhole process map · First-party samples on top Windows PCs. No be lab benchmark.

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