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Common IT Problems Businesses Face (And How to Fix Them)
Business IT Help Guides
Businesses regularly experience technical problems that can interrupt productivity and cause frustration. Below are some of the most common IT issues along with guidance on how they can be resolved.
Outlook Keeps Asking for Password
If Outlook repeatedly asks for your password even after entering the correct credentials, the issue is often caused by authentication errors, corrupted stored credentials or Microsoft 365 configuration problems.
Clearing saved credentials, updating Outlook or recreating the Outlook profile can often resolve the issue.
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Outlook Keeps Crashing
Outlook crashes can interrupt email access and cause users to lose work. This issue is commonly caused by faulty add-ins, corrupted Outlook profiles or outdated Microsoft Office installations.
Running Outlook in Safe Mode and disabling problematic add-ins can often restore stability.
Outlook Search Not Working
Outlook search problems can prevent users from locating emails and attachments quickly. These issues are usually caused by Windows indexing problems or Outlook configuration errors.
Rebuilding the Windows search index can often restore Outlook search functionality.
Outlook Not Receiving Emails
When Outlook stops receiving emails, users may miss important messages from customers or colleagues. This issue can occur due to connectivity problems, mailbox storage limits or send/receive configuration errors.
Checking mailbox storage and forcing Outlook to send and receive messages can often resolve the issue.
Outlook PST File Too Large
Outlook stores email data in PST or OST files which can grow very large over time. When these files exceed recommended limits, Outlook may slow down, crash or stop working properly.
Archiving older emails and removing large attachments can help reduce mailbox size.
OneDrive Not Syncing
OneDrive sync issues can prevent files from updating across devices, leading to confusion and missing documents.
Restarting OneDrive, checking file name restrictions and verifying the internet connection can often restore syncing.
OneDrive Sync Pending
A “sync pending” error usually means OneDrive cannot upload or download files correctly. This may be caused by connection issues, file conflicts or very large files.
Restarting OneDrive and checking file sizes can often resolve the problem.
SharePoint Files Not Syncing
SharePoint allows teams to collaborate on documents, but sync problems can prevent users from accessing the latest versions.
These issues are often caused by permission conflicts or OneDrive synchronisation errors.
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Microsoft 365 Email Not Working
Email issues in Microsoft 365 can prevent users from sending or receiving messages. These problems may be caused by account authentication issues, Outlook configuration errors or Microsoft service outages.
Checking Microsoft service status and verifying account credentials can help identify the cause.
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Microsoft 365 Account Compromised
A compromised Microsoft 365 account can lead to phishing attacks, data theft and fraudulent emails being sent to customers.
Immediately resetting passwords and enabling multi-factor authentication can help secure affected accounts.
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Computer Running Slow (Windows 11)
Slow computers can significantly reduce productivity. Over time, Windows systems may slow down due to too many startup programs, limited storage space or outdated software.
Disabling unnecessary startup programs and freeing up disk space can often improve performance.
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Printer Not Connecting to Network
Network printers allow multiple users to print documents across an office network. When printers fail to connect, it can interrupt everyday office tasks.
Restarting the printer, router and reinstalling printer drivers can often restore connectivity.
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Recover Deleted Files in OneDrive
Accidentally deleting important files can cause serious disruption. Fortunately, OneDrive stores deleted files in a recycle bin for a limited time.
Files can usually be restored quickly through the OneDrive recycle bin.
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How to Spot a Phishing Email
Phishing emails attempt to trick users into revealing passwords, financial information or other sensitive data. These emails often appear to come from trusted organisations.
Recognising suspicious links, unusual sender addresses and urgent requests can help prevent phishing attacks.
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