• Overview
  • Features
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SLIM Companion Email Manager is an SPFx App that extends the standard SharePoint functionality. It adds buttons to the ribbon or option(s) to the context menu. Upload emails using drag and drop, view emails, view email attachments, tag emails, attach SharePoint documents to emails and more…

Supported browsers: Chrome, Edge, Opera and Safari.
Supported SharePoint versions: SharePoint Online

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The products from SLIM Applications saved my company weeks of time. I recommend their tools to all other SharePoint users.
Voskan Martirosian, Brage.

Unique capabilities


View emails and view email attachments directly in your browser

Access emails

Filter emails by column values, and/or sort by column to view selected emails. Tag emails of interest.

Attach SharePoint document(s) to emails

Select one or more documents in SharePoint and directly attach them to an email.

Product features

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Check out how Email Manager extends standard SharePoint functionality
FunctionalityStandard SharePointEmail Manager
View emails in browser✓ (fast)
View email attachments x
Tag emails during viewing x
Select emails by filtering column(s) or sorting
Attach SharePoint document(s) to a new emailx
Cater for network or server glitchesx

Efficiently manage emails in SharePoint

SLIM Companion Email Manager bridges the gap between your mail client and SharePoint. Unique previewing capabilities, view email attachments, tagging of emails and innovative capabilities to attach SharePoint documents to emails makes this an indispensable tool for the SharePoint community.
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Standard SharePoint

Before presenting the features of SLIM Companion Email Manager it is important to understand the capabilities of out-of-the-box SharePoint. Emails are stored as regular documents in document libraries without email metadata. As a result users cannot sort emails by received date or group emails by conversation. The file names will be based on the email subject. Email replies are named with a sequence number e.g. subject (1).msg resulting in meaningless file names. This simple naming mechanism also introduces a risk that emails are overwritten by other users even though they contain different content.

It typically takes multiple seconds to preview an email with the standard viewer. The names of email attachments are shown but the attachments cannot be opened. Users need to download the email to their computer and then open the email using a mail client (e.g. Outlook) before they can access the attachment. This is not always possible. For example, opening an msg email on a macOS (OS X) client, an iPad or a computer without Outlook.

Users also frequently need to attach SharePoint document(s) to an email. This involves downloading of the document, opening a new email in their mail client and then attaching the downloaded document. This becomes even more cumbersome when dealing with multiple documents or complete folder structures.

In short, SharePoint provides basic functionality to manage emails.

Email Manager in-depth

Email Manager is a SharePoint App that needs to be installed once in your SharePoint environment. There is no need to install any software on the user’s computer since it is fully browser-based. Your data is secure because the emails are processed in your browser and does not require the use of an external systems. The tool is easy to use because it extends the standard SharePoint interface. Specifically it adds buttons to the ribbon of document libraries and adds options to the ellipsis menu (…) of emails.

Viewing emails is optimised for performance and viewing an email typically takes less than 1 s. Accessing the email attachments is also very fast because the data is already present in the browser’s memory. Browsing through large sets of emails is optimised by offering previous / next buttons and allowing users to jump to a specific email by entering a number.

The Email Manager tool can handle document libraries exceeding the list view threshold and supports views and filters or sort order applied in the SharePoint page itself.

Users can tag emails during viewing for further processing such as moving the emails to a different location, set properties or download all selected emails.

Attaching a SharePoint document to an email can be done in a single click. Open the document’s ellipsis menu and select “Mail Item”. This generates a new email with the selected document attached. If you need to attach multiple documents simply select the checkboxes for each of the required documents and click “Mail Item(s)” button in the ribbon. Attaching a folder structure as a zip file to an email is also possible.

The current version of Email Manager works with msg and eml emails. The tool supports the latest versions of Chrome, Edge, Opera and Safari. The tool is compatible with SharePoint Online (Office 365) and works with the modern view.

Additional information

For further information check out the following sources:

In short: Email Manager is a must for efficiently managing emails in SharePoint

The applications of SLIM saved me almost a month of time. I would advise them to all SharePoint professionals.
Voskan Martirosian, Brage.