In this article Step 1: Set up and publish S/MIME certificates Step 3: Sync user certificates for S/MIME into Microsoft 365 Step 4: Configure policies to install the S/MIME extensions in web browsers Step 5: Configure email clients to use S/MIME S/MIME (Secure/Multipurpose Internet Mail Extensions) is a widely accepted protocol for sending digitally signed Read More
Category: Exchange
How to Fix Free/Busy not Available in Outlook Meeting Scheduling Assistant
When adding attendees to my meeting invitation, for some of the attendees, their free/busy status shows as “No Information” in the Scheduling Assistant. Why is this and how can I make Outlook retrieve this information again for this attendee? There could be several reasons why Outlook was unable to retrieve the Free/Busy status of an Read More
Customize Online Archive and Deletion Policy for Exchange 365
To retain and delete emails, we recommend you use Microsoft 365 retention policies and retention labels rather than the older messaging records management (MRM) from Exchange Online. However, a valid reason to still use this older feature is to automatically move emails from a user’s primary mailbox to their archive mailbox. You might also need to use MRM Read More
How to Enable Online Archive for All users With PowerShell
The In-Place Archive that you get with Exchange Online, provides your users with additional storage space. With PowerShell, we can enable the archive mailboxes quickly for all users. Load the Exchange Online PowerShell module If the module is already installed, you can typically skip this step and run Connect-ExchangeOnline without manually loading the module first. After you’ve installed Read More
How to Enable and Use Outlook Online Archive for Office 365
When mailboxes grow too large you won’t be able to receive or send mail anymore. Another common issue with large mailboxes is that Outlook will take longer to load. To solve this we can use Online Archives in Outlook. Online Archive mailboxes are available for Office365 users with the correct license. The advantage of online Read More
How to Upgrade DKIM Encryption Keys to 2048-bit
Microsoft 365 automatically sets up DKIM for onmicrosoft.com domains. No steps are needed to use DKIM for any initial domain names (like litware.onmicrosoft.com). For more information about domains, see Domains FAQ. Since both 1024 and 2048 bitness are supported for DKIM keys, these directions will tell you how to upgrade your 1024-bit key to 2048 in Exchange Online PowerShell. Read More