O2

by maurizukiv3.4.0

Last updated Aug 31, 2026

O2 is a safe and flexible archive for personal data, such as contacts, accounts, credit cards, Wi-Fi settings, and everything that comes to your mind.

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Install with winget

$ winget install --id maurizuki.O2 --exact --version 3.4.0

Run in Command Prompt, PowerShell, or Windows Terminal. Prompts for any agreements.

Silent install command for O2

O2 uses EXE (Inno Setup). The silent install switches are /VERYSILENT /SUPPRESSMSGBOXES /NORESTART.

One-line silent install (x86, machine scope)

O2-3.4-setup.exe /VERYSILENT /SUPPRESSMSGBOXES /NORESTART

See the full silent install reference for O2 →

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Installers · v3.4.0

Architecture	Type	Scope	Install	Download
x86	EXE Inno Setup	machine		Direct

Copy a command tailored to that specific architecture, type, and scope - useful when winget would otherwise pick a different default.

Security

No known CVEs for O2.

Coverage is best-effort and depends on a winget package mapping to an NVD CPE entry. Absence here is not a guarantee of safety.

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Frequently asked questions

How do I install O2 on Windows?

Open Windows Terminal, PowerShell, or Command Prompt and run: winget install --id maurizuki.O2 --exact --version 3.4.0. winget downloads the installer from maurizuki and runs it. Requires Windows 10 (1809+) or Windows 11.

How do I install O2 silently for unattended deployment?

Add --silent and accept the agreements upfront: winget install --id maurizuki.O2 --exact 3.4.0 --silent --accept-package-agreements --accept-source-agreements. This is the variant Intune, Configuration Manager, and other deployment tools should use.

What are the silent install switches for O2?

O2 uses EXE (Inno Setup). Run the downloaded installer with: O2-3.4-setup.exe /VERYSILENT /SUPPRESSMSGBOXES /NORESTART. The silent switches are /VERYSILENT /SUPPRESSMSGBOXES /NORESTART.

How do I uninstall O2 via winget?

Run: winget uninstall --id maurizuki.O2 --exact. Add --silent for unattended uninstalls. winget will use the registered uninstaller from O2's Apps & Features entry.

Is O2 free?

O2 is distributed under MPL-2.0 License. Refer to the publisher (https://github.com/maurizuki/O2) for the full license terms - Wingetly itself does not charge for installation.

Does O2 work on Windows 10?

Yes, as long as your Windows 10 build supports winget (1809 or newer). winget ships with App Installer on Windows 10/11 and pulls O2 directly from the publisher.

How do I keep O2 up to date?

Run winget upgrade --id maurizuki.O2 --exact, or winget upgrade --all to update everything winget tracks. We index 10 versions of O2 from microsoft/winget-pkgs.

Recent versions

3.4.0latest
3.3.2
3.3.1
3.3.0
3.2.0
3.1.0
3.0.0
2.4.0
2.3.0
2.2.7