PlaxoMailCTC

com.plaxo.ctcapplemail · System Extensions
Intel Only 1 device
About This App

PlaxoMailCTC is a Mail bundle plugin for Apple Mail, developed by Plaxo. It integrates Plaxo's contact and calendar management features directly into the Mail application, allowing users to sync contacts, manage calendars, and access Plaxo services without leaving Mail. Mail bundles extend Mail's functionality and are installed and updated as part of the host Mail application rather than as standalone products.

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https://www.apple.com/macos/macos-sequoia/

PlaxoMailCTC is a Mail bundle plugin, not a standalone application — it lives inside Apple Mail and is updated whenever Mail itself is updated. Because Mail is part of macOS, the way to ensure you have a native Apple Silicon version of this component is to keep macOS itself up to date. Open System Settings → General → Software Update and install the latest macOS version your Mac supports. Apple ships Mail as a native Apple Silicon component in every modern macOS release, and any Mail bundle it hosts (including PlaxoMailCTC) will be updated alongside it. Since Plaxo does not appear to ship separate updates for this plugin, your Mail system update is the only update mechanism available. If PlaxoMailCTC is not functioning correctly after a macOS update, contact Plaxo support to confirm the bundle is compatible with your current Mail version.