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need exchange se for hybrid environment
We have a hybrid Office 365 environment with an Exchange Server 2016 that no longer performs any role. It does not host any mailboxes and is not used as an SMTP relay. We would like to keep an Exchange installation solely for administrative purposes through the GUI. Questions: 1. Can we keep Exchange Server 2016 installed? 2. If we need to install Exchange Server Subscription Edition (SE), do we need licenses for this installation, considering that all our Office 365 licenses are Business licenses? Thank you.
Microsoft 365 Outlook Classic Latest Update Copilot issues
Hello to all, we are currently using the Microsoft 365 Outlook Classic, using version Version 2604 Build 16.0.19929.20172 (Current Channel) Copilot works as expected; However ever since the next update was released (Version 2605 (Build 20026.20076)) some users including me, have been getting the below error: I have tried uninstalling and installing the latest version directly, with the same issue. Scanned for any corrupted system files with no issues,but still get the error; I have tried the update Licence from the Outlook application, with no issues but the copilot something went wrong error keeps on persisting. Internet searches are very vague and the I have found some registry suggestions which I have also tried with no solution. The only way to get Copilot working on Outlook Classic was to revert to a previous working version, only then Copilot works as expected. This only happens in Outlook Classic; Copilot works fine on the latest version of Microsoft Office 365 with Word, Excel, etc. For those that maybe might ask why not switch to the New Outlook, we have had issues with it and it has been recommended to use the Classic Outlook for the time being. Has anyone been experiencing such issues please? Thanks for any help.The Great Loop Departed User Process
When employees leave a Microsoft 365 tenant, they might leave a user-owned Loop workspace behind which contains some valuable information that the organization wants to retain. Two years or so after announcing that a workflow to handle user-owned workspaces was coming, Microsoft is rolling out the update to tenants worldwide. The process is manual, but not much automation is possible to review and preserve workspace content. https://office365itpros.com/2026/06/04/user-owned-loop-workspaces/
Outlook Cached Mode Repeatedly Re-syncs Mailbox After Restart (Starts Again Around 3.99 GB)
Hi everyone, I’m experiencing a strange Outlook Cached Exchange Mode issue with a Microsoft 365 mailbox after a recent Windows rebuild and wanted to see if anyone has seen similar behavior. Environment: Microsoft 365 mailbox (Exchange Online) Outlook for Microsoft 365 Version 2605 Build 16.0.20026.20076 64-bit Windows 11 25H2 Fresh OS rebuild performed twice New Outlook profile created Office completely reinstalled OST recreated multiple times Issue: When Cached Exchange Mode is enabled, Outlook starts downloading/synchronizing mail normally, and the OST file continues to grow correctly. However, after every reboot or Outlook restart, Outlook again shows “Downloading…” starting from around 3.99 GB. Important observations: Online Mode works perfectly OUTLOOK.EXE closes properly after exit OST file is NOT deleted and continues growing Sync slider changes (1 month, 1 year, all mail) make no difference Disabling Outlook indexing did not help New Outlook profile did not help Reinstalling Office did not help Problem only started after OS rebuild Before rebuild, same mailbox worked normally in Cached Mode No pending office or windows update. It does not appear to actually re-download the mailbox from scratch because the OST size keeps increasing, but Outlook repeatedly processes/downloads from around the same 3.99 GB point after restart. Has anyone seen: Cached Mode replaying synchronization repeatedly after restart? Similar behavior on recent Current Channel builds? Security/EDR products interfering with OST synchronization state? Any known regressions with Outlook Version 2605 Build 16.0.20026.20076? Any suggestions or similar experiences would be appreciated.
Employee performance management tools in Microsoft 365?
So we are a relatively large organization and in drastic move, we've decided to shift from Google Workspace to Microsoft, primarily centering our employees around Microsoft Teams while trying to encourage them to use Copilot as effectively as possible. In this transition, one of the platforms we will be saying goodbye to will be our performance management software. Are there any Microsoft native performance management tools that can help us go through goal-setting, performance reviews, and feedback? Third party suggestions would also be good but only if they fit into the whole Microsoft workflow well.Microsoft Launches Container Management Support for Security Groups
A recent blog from the Microsoft Digital (IT department) discusses the preview implementation of container management labels for security groups. The implementation is limited because it encompasses just one control: the ability to have guest accounts in the membership of security groups. However, just that limited control is sufficient to stop unintended access to sensitive information by guest accounts, and that’s a very good thing. https://office365itpros.com/2026/06/03/security-groups-labels/Peer recognition program in M365. Has anyone done this without a third-party tool?
HR wants to launch a peer recognition program where employees can give kudos to each other. They want it visible to the team, maybe tied to company values, and ideally something that feeds into performance reviews at year end. I looked at Viva Engage but its more of a social feed and theres no way to categorize recognitions by company values or pull them into reviews. Has anyone built something like this using M365 tools or found an app that handles it?
Taken over MS365 tenant, failed payment stuck
Hi all, I have taken over an MS365 tenant for a customer that took over another company. This was a tenant managed by an MSP, but they canceled the relationship. So I tried to purchase a Business Premium subscription for one month and couple it to my admin account, so that I can decoupled some devices from Intune, and also reinstate 1 or 2 accounts for the time being. I added a new billing profile (I could not add a billing account) while ordering from Microsoft directly. However the payment failed, there were 3 attempts in very quick succession. Probably because my card setting were too strict. So I switched the payment method to another card after this. However since then I have one product under "Your products" with the label "failed", the errors it gives: "We weren't able to create a subscription for one of your products. Update the selected filters and choose subscription status Failed to view the product in the list below." Clicking the product just shows "subscription failed". It does show renews on 1-7-2026. So it is expiring? How can I retry the payment? Unfortunately all support options keep pointing to the previous tenant owner so I'm posting here. So I'm trying here. I've been at this for way too long already.
Word/PowerPoint are not suitable replacements for Publisher
I’m writing following the guidance that Word and PowerPoint can be used as replacements for Publisher. This feedback is based on completing a real production document, not theoretical use Having just completed a fairly complex, layout-heavy technical document, I thought it only fair to share how that works in practice. In theory, I can see the logic: Word handles documents PowerPoint handles layouts Therefore, between the two, everything should be covered Unfortunately, in reality, this appears to be more of a theoretical exercise than a practical solution. Publisher was clearly designed for: Fixed, page-based layouts Precise positioning of objects Efficient alignment of mixed content (text, images, tables) Producing consistent, professional multi-page documents By comparison: Word is admirably committed to reminding you that it would prefer everything to flow freely, regardless of whether you want it to or not PowerPoint, while better behaved, does seem to assume every page is a standalone slide rather than part of a structured document Both tools can, with enough persistence, be persuaded into doing the job. However, this involves a level of manual intervention, workaround, and general negotiation with the software that feels somewhat at odds with modern productivity software. To put it simply: They are not replacements in any meaningful, real-world sense. The end result can be achieved, but the process is unnecessarily time-consuming, fragile, and prone to unexpected layout changes—particularly when precision actually matters. Replacing a purpose-built publishing tool with two applications that were never designed for that role gives the impression that this use case has been… optimistically simplified. I would strongly encourage Microsoft to either: Provide a genuine page-layout solution within the Office suite, or Enhance existing applications so they can support fixed-layout publishing without constant workarounds At present, the gap left by Publisher is very noticeable for anyone producing structured documents beyond basic text. I appreciate the direction of Microsoft 365 overall, but in this particular area, the experience feels less like an evolution and more like working around a missing tool. Regards Andy
