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Make Your Test Data Less Boring with M365Mutator
Testing Microsoft 365 scenarios often involves test data. If the data is stale or always the same, it might not generate good results or help to identify lurking problems. The M365Mutator app helps to solve the problem by mixing things up in your test data. The app can change properties of Entra ID accounts, send email, update calendars, and generally make sure that whatever you’re testing has fresh information to run against. https://office365itpros.com/2026/07/10/m365mutator-test-data/Make Your Test Data Less Boring with M365Mutator
Testing Microsoft 365 scenarios often involves test data. If the data is stale or always the same, it might not generate good results or help to identify lurking problems. The M365Mutator app helps to solve the problem by mixing things up in your test data. The app can change properties of Entra ID accounts, send email, update calendars, and generally make sure that whatever you’re testing has fresh information to run against. https://office365itpros.com/2026/07/10/m365mutator-test-data/
Not For Profit Licence suddenly disappeared and then deleted
Hi All Have a big issue. Have a not for profit account for our charity. Renewed licence earlier in the year and all was ok and working. Then a few days ago I had reports of not being able to access data. After much hunting I found the below. Seems account was suddenly and without warning disabled and then reported as deleted a few days later. What do I do? I desperately need to recover the files that were on the associated teams? Any help would be much appreciatedUnable to access our Microsoft Entra admin center
We cannot create a support request from the admin center because we cannot sign in Dear Microsoft Support Team, We are unable to access our Microsoft Entra admin center because even our administrator account, email address removed for privacy reasons, is being prompted for MFA, and we do not currently have access to the Microsoft Authenticator method required to complete the sign-in. As a result, we cannot access Entra ID / Microsoft 365 admin settings to reset MFA methods, issue a Temporary Access Pass, or re-register authentication methods for the affected users. Tenant/domain: itieurope.com Affected admin account: email address removed for privacy reasons Issue: MFA is required to sign in, but the Authenticator method is unavailable Impact: We are locked out of the tenant administration portal and cannot manage users or authentication methods We request assistance with one of the following recovery actions: Reset MFA methods for the administrator account email address removed for privacy reasons; or Enable re-registration of MFA for this account; or Provide a Temporary Access Pass or another Microsoft-approved recovery method so that we can regain administrative access to the tenant. We had force majeure, the only authenticator was on the phone, which was destroyed due to an unforeseen situation. (crashed) We are ready to verify domain ownership, provide billing information, tenant details, proof of identity, or any other information required to confirm that we are the legitimate owners/administrators of this Microsoft 365 tenant. Please escalate this as an urgent tenant lockout / admin access recovery issue. Kind regards, itieurope.com email address removed for privacy reasons
Looking for Microsoft 365 best practices for a large dynamic company group
Looking for Microsoft 365 best practices for a large dynamic company group I'm a Microsoft 365 admin trying to figure out the best architecture for a company-wide group (100+ users) and I'm wondering if there's a better approach than what I'm currently doing. What I need I want a single company group that can: Automatically include users through dynamic membership Share SharePoint sites, files, OneDrive content, Teams resources, etc. Allow sending company-wide emails Allow sending required Outlook meeting invitations (not optional) Have moderation/approval for announcements, meeting invites, or posts Allow certain trusted users to bypass approval while everyone else requires approval Scale as employees are hired/terminated automatically Current setup Dynamic Distribution List Used for company-wide emails and Outlook meeting invites. Membership is dynamic using an Exchange recipient filter based on US users. Private Microsoft 365 Group Used for SharePoint, file sharing, and collaboration. Membership is dynamic through an Entra ID Dynamic Membership Rule. I had to use PowerShell to configure some permissions because the portal didn't support everything I needed. Problems I'm running into I now have two separate groups that should always contain the same people. The Dynamic Distribution List works well for email/meetings but doesn't provide SharePoint, Teams, or file collaboration. The Microsoft 365 Group provides collaboration but doesn't seem to support everything I need for company-wide communication. I haven't found a clean way to have approvers/moderators, while allowing a few designated people to post or send meeting invites without requiring approval. I also haven't found a good way to make Outlook meeting requests "required" from the sender side other than relying on attendees not changing their RSVP. My questions Is there a better Microsoft 365 architecture for this? Should I be using a Dynamic Distribution List, a Microsoft 365 Group, a Mail-enabled Security Group, Teams, Viva Engage, or something else? Is there a supported way to have dynamic membership + SharePoint + company email + moderated announcements/meeting invites all in one solution? How do large organizations typically handle company-wide communications while keeping membership automatic? Is maintaining two dynamic groups (one for collaboration and one for email) simply the recommended approach? I'd love to hear how other Microsoft 365 admins have solved this in production. Thanks!
I made a new microsoft 365 tenant and suddenly users appeared
Made a new Microsoft tenant account for a customer and few hours later suddenly there were several users on the list without being added? They include several no longer active users and old names for people(like maiden names for married women). The customer is currently using Google workspace and is transitioning to 365. Any idea why? And what happens if I just delete them all? Will they come back and haunt us again?MCA billing account stuck in "under review" status for 4+ days, no resolution
I'm the Global Admin for a Microsoft 365 tenant (domain: fortunamg.net) recently transitioned from a GoDaddy CSP reseller relationship to a direct Microsoft Customer Agreement (MCA) billing account. After setting up the MCA billing account and adding a payment method, I attempted to make an edit to my billing account address (updating to the new 9-digit zip code format). This triggered an "Account under review" status, which states the review usually takes up to 2 days. It has now been over 4 days with no update or email notification. This review is blocking me from purchasing a subscription, which I need to do to restore an active Microsoft 365 subscription on this tenant (currently showing as "Disabled" following the GoDaddy detach). Billing Account ID: 7793dd6e-68c9-5362-c5e2-3fe091b9854c Domain: fortunamg.net Could someone help check the status of this review or escalate to the appropriate team? Phone support has been unable to resolve this. Thank you.
Sole Admin Locked out of Microsoft tenant -- MFA Error 500121
Sole Admin Locked out of Microsoft 365 Tenant- MFA Error 500121 using OTPKEY Im the original administrator of a Microsoft 365 Business Basic tenant for the City of Briarcliff. Tenant: mailto:email address removed for privacy reasons Admin Account: mailto:admin@briarcliffar.onmicrosoft I can succesfully enter the correct password, nut MFA verification fails with error code 500121. I have original microsoft 365 setup email showing the admin account The microsoft purchase receipt and Order ID. Access to billing email account Control of the cityofbriarcliff.gov domain through Cloudflare. The tenant was never fully configured beyond the initial setup process. I was able to sign in originally and reached the Connect and Configure your domain page but did not complete deployment. I need assisstance with recovery of the sole administrator account and MFA reset for tenant. I can provide provide proof of purchase, original setup email, billing information, and proof of control of cityofbriarcliff.gov
Is Office 365 E3 Developer free
Hi, My tenant had a license named "Office 365 E3 Developer" which allowed us to use Outlook / Exchange (among other Microsoft Office products). This license isn't from the Microsoft 365 Developer Program, which come with free licenses. This license costed CA$11.60 a month per user when we initially purchased it. On May 2, 2026 it still costs $11.60, but when I received my monthly invoice for this tenant, this license was free. I searched around to see whether this license became free recently, but I couldn't find any info on this. The links I found all say it's a paid license. I was wondering if there's any info on this to see why it became free? Or is it a mistake and Microsoft'll be charging us the next billing cycle? Jason
