# Mozilla Thunderbird

Application: MZLA Technologies

Dem still dey call am thunderbird, mozilla thunderbird

MZLA Technologies, Productivity

Mozilla mail client. Di process na thunderbird.exe. E dey separate from Firefox. E no be Outlook.

## Wetin you need know

Thunderbird na thunderbird.exe. Outlook na OUTLOOK.EXE. Firefox no be mail.

MZLA mail client dey separate from Firefox. Classic Outlook na di Microsoft sibling. Thunderbird profile dey stay under AppData\Roaming\Thunderbird, no be Office16.

- **Wetin e be?**: Mail client

  **Still current?**: Yes, see Current status

  **Official download?**: Use di vendor link inside dis article

Feex tok say

If na thunderbird.exe be di mail window, I no go run outlook.exe /safe make I test di add-ons. Dem na different clients. Firefox na different exe too.

## Wetin be Mozilla Thunderbird?

Mozilla Thunderbird na desktop mail and calendar client. thunderbird.exe na di Windows process. Classic Outlook na OUTLOOK.EXE. Firefox na firefox.exe. Dem no dey share profile.

## If you never use am before

If you want desktop mail app wey no be Outlook, na Thunderbird be dis, no be Firefox. Download am from thunderbird.net. You fit add IMAP or Exchange-capable accounts wey Thunderbird support. OUTLOOK.EXE na Microsoft classic mail client. firefox.exe no go read your inbox. MZLA na di Thunderbird company, wey still dey inside Mozilla family.

## Wetin dem dey use am for?

**IMAP and local folders**

Multiple accounts inside one window. Outlook profiles and OST files na different store.

**Add-ons from addons.thunderbird.net**

Thunderbird extensions. Chrome Web Store item no go install here. Outlook COM add-ins no go install too.

**Optional Exchange setups wey Thunderbird document**

Some work mail still dey want classic Outlook. Thunderbird no be OUTLOOK.EXE.

## Na who e dey for?

- People wey want mail without Microsoft 365 Outlook SKU
- Users wey already get Thunderbird profile
- Anybody wey no suppose open Outlook dey expect dis set of add-ons

## Current status

MZLA / Thunderbird dey actively develop am. Dis article na about di Windows desktop client, no be Thunderbird for Android alone.

## How old e be?

Thunderbird 1.0 ship for 2003 as Mozilla mail companion to Firefox. E no be Outlook 97 and no be di 2022 New Outlook package. Firefox still remain separate browser download.

## Versions

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

Release

ESR

Beta

## System requirements

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

### Minimum

| Operating system | One current Windows release wey Mozilla list for Thunderbird |
| ---------------- | ------------------------------------------------------------ |
| RAM              | Mozilla list modest RAM. Large local folders 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.

| thunderbird.exe | Desktop mail client |
| --------------- | ------------------- |

## Startup components

Thunderbird fit start with Windows from im own setting. Dat one no be Outlook and no be Firefox.

## File locations

| Typical install | C:\Program Files\Mozilla Thunderbird\thunderbird.exe |
| --------------- | ---------------------------------------------------- |

## File formats

EML, MBOX, ICS

## Common wahala dem

### People dey install Firefox wen na mail dem want

thunderbird.net na dis app. mozilla.org/firefox na di browser. Different downloads.

### Work mailbox need classic Outlook

Some tenants require OUTLOOK.EXE, MAPI, or specific add-in. Thunderbird no fit host dose COM add-ins.

## How to get unstuck

### Install from thunderbird.net, no be from "Firefox mail" search ad

Outlook.com na Microsoft web mail. E no be dis client.

### Open file location on top thunderbird.exe

Program Files\Mozilla Thunderbird na dis product. Office16\OUTLOOK.EXE na classic Outlook.

### Use Thunderbird Safe Mode from Help if add-ons break send

Dat one na Thunderbird Safe Mode, no be outlook.exe /safe and no be Windows Safe Mode.

## Alternatives

Classic Outlook, New Outlook, and Windows Mail dey overlap. Outlook na di Microsoft sibling wey dis article no be.

## Official help and downloads

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

| Download            | [www.thunderbird.net/ ](https://www.thunderbird.net/)Official installer or vendor page                                                                             |
| ------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| Help                | [support.mozilla.org/products/thunderbird ](https://support.mozilla.org/products/thunderbird)Vendor support                                                        |
| Official site       | [www.thunderbird.net/ ](https://www.thunderbird.net/)Start here, no be random exe host                                                                             |
| System requirements | [www.thunderbird.net/en-US/thunderbird/system-requirements/ ](https://www.thunderbird.net/en-US/thunderbird/system-requirements/)Windows versions wey Mozilla list |

## Related hardware

Large local folder go want disk. To send mail no be GPU work.

## Technical details

Technical details

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

## Related

Dis entities connect to dis article. Type dey show for every link.

[Microsoft Outlook: Application](https://feex.it/wiki/l/pcm/software/microsoft-outlook/)[How to read Task Manager: Guide](https://feex.it/wiki/l/pcm/software/system/how-to-read-task-manager/)

## Sources and verification

Recorded source label: August 2026. Dis label no establish independent verification. [How we dey do research](https://feex.it/wiki/research/).

- [Mozilla Thunderbird official site ](https://www.thunderbird.net/)· Vendor product page
- [Mozilla Thunderbird help ](https://support.mozilla.org/products/thunderbird)· Vendor support
- [Thunderbird system requirements ](https://www.thunderbird.net/en-US/thunderbird/system-requirements/)· Wetin Mozilla list for Windows
- [Foxhole process map ](https://foxhole.feex.it/)· First-party samples on top Windows PCs. No be lab benchmark.

## Dis article make sense to you?

Yes or no dey enough. Choose reason if you want, or add short note.

Quick facts

The short identity of dis page. Specs, sources, and the full story still dey inside the article.

- **Developer**: MZLA Technologies

  **Category**: Mail client

  **Process**: thunderbird.exe

  **License**: MPL free software

  **First released**: 2003

  **Official site**: [thunderbird.net](https://www.thunderbird.net/)

  **Feex map am**: Dem see am on top Windows PCs for Foxhole

Recorded source status: Feex Reviewed: Recorded source label: August 2026. Dis label no establish independent verification.

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Source: [Canonical Feex Wiki page](https://feex.it/wiki/l/pcm/software/thunderbird/)

[Developer guide](https://feex.it/wiki/developers/) | [API policy](https://feex.it/developers/api-policy/) | [Agent guidance](https://feex.it/wiki/llms.txt)
