When we are working with third-party software we might encounter some problems – it’s obvious and normal. Office 365 is currently the most popular SaaS (Software-as-a-Service) platform for productivity but even with its scale some Office 365 issues might occur. Those mentioned in this article are only the tip of the iceberg and related to software itself.

Tools That Can Help

• Not all issues are caused by bugs left unpatched by the software vendor or by third-party applications like the recent Crowdstrike incident that caused a global O365 outage.
• An internet connection is not available or a firewall is blocking network connections.
• Good practice to avoid having Office 365 issues with signing in, is to have a recovery email.
• The Office 365 repair tool can help you fix the majority of Office 365 problems for installed Office 365 applications (not applicable if you use online apps only).
• Microsoft Office 365 is currently the most popular suite for productivity applications – thus it is important to mention the most common Office 365 issues.
• If you want to use Office 365 applications installed on a terminal server, you should use Office 365 Pro Plus, which supports Shared Computer Activation.
• Keep in mind that the files you delete can temporarily consume storage space.

Our relationship to the Microsoft Partner Network allows us to provide competitive pricing and authentic software and support, all with a much-needed human element. Discover how IT leaders can address key Microsoft Copilot questions on cost, deployment, security, and integration to maximize ROI and adoption. Boost your SMB’s security and compliance with Microsoft 365 Business Premium. Discover Defender and Purview add-ons for enterprise-grade protection at SMB-friendly pricing. In these cases, direct escalation to Microsoft or working with a Microsoft CSP partner, online Outlook email repair utility such as TrustedTech, can expedite resolution and minimize downtime.

Fix Outlook Stuck on Synchronizing Subscribed Folders (2025 Guide)

Yet if this didn’t work it means that the same file you worked on another device didn’t make it to OneDrive as it should. It is a sign that this other device isn’t connected to the OneDrive correctly, or a simpler problem, isn’t FixTechGuide mailbox repair steps connected to the internet. When it’s a problem with an internet connection, check your wi-fi or ethernet connection, and contact the internet provided if required. Some of them allow users to get updates before the main release while others provide updates at a later time. The update channel used by Office 365 depends on your Office 365 subscription plan and on configuration. All you need to do is log in to your OneDrive account on the web browser, and drag the files you want to the documents folder.

Fix Tech Issues Fast

Outlook and Office 365 sync issues can be frustrating but are almost always fixable. Start with basic network checks, enable Cached Exchange Mode, and repair your data files if needed. For persistent problems, rebuild your Outlook profile or use FixTechGuide’s free diagnostic tools to automate detection of authentication and IMAP errors in seconds. When Office 365 search stops working after updates, it’s usually a minor indexing or cache issue — not a major fault.

Tools that can help you fix Office 365 issues

Our licensing engineers can help triage complex problems and ensure you're on the right support path.





Office 365 troubleshooting is an important aspect of building a secure and reliable IT environment. In addition to the Office 365 Outlook stuck updating folders solution problems explained in the blog post, you may encounter issues that cause data loss. Service health is the online tool available for Office 365 for organizations (if you have work and school Office 365 accounts).



The serious problem occurs when we talk about any external threats like malware or ransomware that are not so easy to prevent and mitigate. Xopero ONE Backup and Recovery for Microsoft 365 ensures you with data protection, security, and business continuity. As the name of this tool suggests, Remote Connectivity Analyzer can identify Office 365 issues with connectivity. From Outlook desynchronisation to problems with OneDrive connection. The tool can help you detect issues by running tests for many features. When you encounter Office 365 issues with Outlook online, this app turns out almost completely useless.

Domain Verification Issues

Another possible cause is that your administrator has changed your password, without informing you about that. You should ask him to provide you with credentials that will enable you to sign in. We go above and beyond the average software reseller because we built our business on trust. As active members in the IT community, we work to support our clients’ businesses and provide them with peace of mind. TrustedTech is dedicated to being a reliable resource for all software and technology support needs.