ContactAttic

by M.R.H. Consultants Inc.v1.1.0

Last updated Nov 3, 2026

Merge duplicate contacts and vCards into one clean address book, on your own computer.

Install with winget

$ winget install --id MRHConsultants.ContactAttic --exact --version 1.1.0

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

Silent install command for ContactAttic

ContactAttic uses MSI (WiX). The silent install switches are /quiet /norestart.

One-line silent install (x64)

msiexec.exe /i ContactAttic-1.1.0.msi /quiet /norestart

See the full silent install reference for ContactAttic →

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About

ContactAttic is a local-only desktop app that merges vCard and VCF files, exports and old address-book backups into one clean, de-duplicated set of contacts, each person only once. Nothing is ever uploaded.

Installers · v1.1.0

Architecture	Type	Scope	Install	Download
x64	MSI WiX	-		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 ContactAttic.

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 ContactAttic on Windows?

Open Windows Terminal, PowerShell, or Command Prompt and run: winget install --id MRHConsultants.ContactAttic --exact --version 1.1.0. winget downloads the installer from M.R.H. Consultants Inc. and runs it. Requires Windows 10 (1809+) or Windows 11.

How do I install ContactAttic silently for unattended deployment?

Add --silent and accept the agreements upfront: winget install --id MRHConsultants.ContactAttic --exact 1.1.0 --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 ContactAttic?

ContactAttic uses MSI (WiX). Run the downloaded installer with: msiexec.exe /i ContactAttic-1.1.0.msi /quiet /norestart. The silent switches are /quiet /norestart.

How do I uninstall ContactAttic via winget?

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

Is ContactAttic free?

ContactAttic is distributed under Proprietary. Refer to the publisher (https://contactattic.com) for the full license terms - Wingetly itself does not charge for installation.

Does ContactAttic 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 ContactAttic directly from the publisher.

How do I keep ContactAttic up to date?

Run winget upgrade --id MRHConsultants.ContactAttic --exact, or winget upgrade --all to update everything winget tracks. We index 1 version of ContactAttic from microsoft/winget-pkgs.