Note programs that cause freezes. Not only will corrupted files, documents, or programs can cause your Mac to freeze or crash, they will do so consistently. If you notice that opening a certain program, file, or document causes your Mac to freeze, delete it or move it off of your Mac (e.g., to an external hard drive). Scenario 1: An app is frozen (you can move cursor) Details: this kind of apps usually demand a lot of system resources to process. For example, Adobe Photoshop, iMovie, or sometimes the web browser you use Safari. When you click around, the app just hangs with the cursor spinning like a pinwheel. The application won’t respond to any commands. Deep Freeze software on-premise or cloud is a reboot to restore solution to protect your Enterprise computers, Mac and Servers. Free 30-day Trial. I've recently seen the Mail app getting stuck while performing actions such as checking for new mail, or downloading messages. It currently doesn't seem to be affecting the message flow, as I can still send and receive messages (as far as I'm concerned).
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Original KB number: 2652320
Symptoms
When you open a file or send an email message in Microsoft Outlook 2010 or later versions, Outlook freezes, or you receive the following error message:
Outlook not responding
Cause
This problem occurs for one or more of the following reasons:
Note
Resolution
To resolve this problem, make sure that your computer meets the Outlook 2016 system requirements, Outlook 2013 system requirements or Outlook 2010 system requirements.
Note
These steps are provided in a specific order based on commonality and complexity. Follow these steps in the given order.
Step 1 - Install the latest updates
The Office installation on your computer might not be up to date. This might be because Windows Update is not configured on your computer to automatically download and install recommended updates. By installing important, recommended, and optional updates, you can often correct problems by replacing out-of-date files and fixing vulnerabilities. To install the latest Office updates, click the link for your version of Windows, and then follow the steps in the article:
Make sure that the latest updates for Outlook are installed. For more information, see How to install the latest applicable updates for Microsoft Outlook (US English only).
Step 2 - Make sure that Outlook is not in use by another process
Performance may be decreased if you use the Outlook AutoArchive feature or sync to Outlook with a mobile device. This is because these processes can use a large number of resources.
If Outlook is in use by another process, this information is displayed in the status bar at the bottom of the screen. If you try to perform other actions while Outlook is in use, Outlook may not respond. Let the task in process finish its job before you try another action.
Step 3 - Check the problem that caused by external contents
How do i download app netflix on my mac. To resolve this issue, use one of the following methods:
Mac Mail App Update
Step 4 - Investigate possible add-in issues
Although add-ins can enhance your user experience, they can occasionally interfere or conflict with Outlook. Try to start Outlook without any add-ins running.
How to start Outlook without add-ins
If the problem does not occur after you restart Outlook, one of the add-ins is likely the cause of the problem. Restore the add-ins one at a time until the problem does occur to determine which add-in is causing the problem.
![]() Step 5 - Check whether your mailbox is too largeMail App Mac Freeze Equifax
As your mailbox size increases, more resources are required to open each folder. If you have a large number of items in any single folder, you may experience performance issues during certain operations. For more information, see Outlook performance issues when there are too many items or folders in a cached mode .ost or .pst file.
We recommend that you move several items in your larger folders to separate folders, or that you archive those items by using the AutoArchive feature.
How to create a folder
To manage your mailbox by reducing the size of the Outlook data file, see Reduce the size of Outlook Data Files (.pst and .ost).
To manage your mailbox by using the AutoArchive feature, see AutoArchive settings explained.
Step 6 - Check whether your AppData folder is being redirected to a network location
Outlook stores certain data, such as email signatures and the spelling checker dictionary, in the AppData folder. If the network is performing slowly, Outlook must wait for read and write operations to the AppData directory to finish.
How to disable redirection of the AppData directory
Step 7 - Repair Office programs
You can automatically repair your Office program files to resolve such problems as Outlook freezing or not responding.
How to automatically repair Office
Step 8 - Repair Outlook data files
When you install Outlook, an Inbox repair tool (scanpst.exe) is also installed on your PC. The Inbox repair tool can resolve problems by scanning your Outlook data files, and repairing errors. To use the Inbox repair tool, exit Outlook, and then follow the steps in Repair Outlook Data Files (.pst and .ost).
Step 9 - Check whether antivirus software is up-to-date or conflicts with Outlook
Mac virtual group apps. If your antivirus software is not up-to-date, Outlook may not function correctly.
How to check whether antivirus software is up to date
To keep up with new viruses as they are created, antivirus software vendors periodically provide updates that you can download from the Internet. Download the latest updates by visiting your antivirus software vendor's website.
For a list of antivirus software vendors, see Consumer antivirus software providers for Windows.
How to check whether antivirus software conflicts with Outlook
If your antivirus software includes integration with Outlook, you may experience performance issues. You can disable all Outlook integration within the antivirus software. Or, you can disable any antivirus software add-ins that are installed in Outlook.
Important
When you change your antivirus settings, this may make your PC vulnerable to viral, fraudulent, or malicious attacks. We do not recommend that you try to change your antivirus settings. Use this workaround at your own risk.
You may have to contact your antivirus software vendor to determine how to configure the software to exclude any integration with Outlook or to exclude scanning in Outlook.
Note
If you also plan to perform file-level virus scanning of .pst, .ost, Offline Address Book (.oab), or other Outlook files while Outlook is in use, see Plan antivirus scanning for Outlook 2010 or Planning considerations for deploying Outlook 2016 for Windows.
Step 10 - Create a user profile in Outlook
To create a user profile, follow these steps:
Step 11 - Perform a Selective Startup (advanced users)
When you start Windows normally, several applications and services start automatically and then run in the background. These applications and services can interfere with Outlook. A Selective Startup or 'clean boot' process can help you identify problems that are caused by application conflicts.
If you use the Selective Startup option in System Configuration, you can turn services and startup programs on or off individually to check whether the problem occurs the next time that you start your computer. In System Configuration, if you select a check box, the related service or startup program runs when you restart the computer. If the check box is cleared, the service or startup program does not run when you restart the computer.
Follow this procedure to use the process of elimination to identify the problem in Windows 10, Windows 8, Windows 7, or Windows Vista.
Note
For more information about performing a clean boot, see How to perform a clean boot in Windows.
How to do a Selective startup
Step 12 - Create a Windows user profile (advanced users)
Your user profile is a collection of settings that let you customize the computer appearance and performance. It contains settings for desktop backgrounds, screen savers, sound settings, and other features. User profiles help make sure that your personal preferences are used when you log on to Windows.
Epub converter online. To determine whether this problem is caused by a corrupted user profile, create a user profile to see whether the problem still occurs when you use the new profile.
How to repair a corrupted user profile in Windows 8Step 1 - Create a user account
To create a user profile, you must first create a user account. When the new account is created, a profile is also created.
Step 2 - Copy old files to the new user profile** After you create the profile, you can copy the files from the existing profile
Note
You must have at least three user accounts on the computer to complete these steps. This includes the new account you just created.
Note
If you have email messages in an email program, you must import your email messages and addresses to the new user profile before you delete the old profile. If everything is working correctly, you can now delete the old profile.
Next step
If the information in this article does not help resolve your problem in Outlook 2016, Outlook 2013 or Outlook 2010, see the following resources for more information:
References
Does your Mac keep freezing and stop responding, randomly and unexpectedly? There can be a number of reasons that can cause your Mac to become unresponsive to any user input from the keyboard or mouse or to freeze altogether. By freezing, it is meant that nothing happens. Sometimes you may start having this problem after updating to the latest version of the macOS software.
This article explains what you can do when your Mac freezes and stops responding, meaning how you can unfreeze your Mac. This can be a big issue if this occurs frequently. If you are having this problem, then you can troubleshoot using the steps listed below. So what causes freezing? You should know this so that you can fix it.
If your computer is crashing, you may use Crash Reports to figure out why.
See also: macOS Messages Freezes or Crashes, Fix
Unfreeze your Mac
Before you do anything, give your Mac a few minutes to finish what it is doing. Your Mac may unfreeze itself if you wait a few minutes.
If your Mac freezes, an unresponsive app may cause your Mac freeze. You may have to force quit apps that are not responding to unfreeze your Mac. Here is how:
If the force quit option does not work, try to restart your Mac by going to the Apple menu > Restart.
If this option does not work, you can force your Mac to restart by pressing and hold the power button until your Mac shuts off (note that you may lose any works that are not saved).
If your Mac freezes frequently, you should figure out why your Mac is freezing. Here are the most common mac slow and freeze reasons and fixes:
Software-related problems
Update your Mac. Make sure that your Mac is completely updated, this includes the third-party apps. Update macOS and all apps:
Furthermore, restart your Mac in safe mode for Symptoms.
If the symptoms exist in safe mode, please continue the steps below.
Too many open apps
Another common cause is running out of free memory if you are running multiple apps at the same time. Furthermore, quit apps when you are done with them. To quit an app, click the App name and then click Quit App, for example, if you want to quit Safari:
You may also want to use Activity Monitor (Applications / Utilities) to find the apps and processes that are using a lot of resources. And then you may choose to quit them in Activity Monitor.
Not enough space
Your Mac can freeze if there isn’t enough open space. To check your Mac’s free hard drive space, go to the Apple menu > About This Mac > and click the Storage tab. Click the Manage button to optimize your storage. You may also consider emptying your Trash can. You may also use iCloud.
There are many tips that you can try to free up space on your Mac.
Overheating
One common reason is that it’s overheating, especially if you are having this problem with a MacBook. Check air vents. Blocked air vents can cause not only performance issues but also system freezing problems. Check the vents on your Mac to see if they are blocked with dust or dirt. Make sure that vents are allowing heat and air to pass through so that your Mac does not overheat.
We previously wrote an article about the overheating problem. Please read this article.
Hardware-related problems
Run a diagnostic test. This test will help you determine if your Mac is experiencing a hardware problem. Here is how you can do the hardware/diagnostics test on your Mac:
Did this test determine any problem?
Malware
Check for malware. Malware or malicious software (viruses, spyware, etc.) can cause your Mac to freeze or appear to hang. We previously wrote about these topics:
![]() Cluttered desktop
A cluttered desktop can slow down and/or freeze your Mac. Organize your desktop. Delete files or folders that you do not need. macOS offers a feature for this called Stacks. Turn on Stacks on your Mac (if your Mac is running macOS Mojave or later). Here is how you can enable Stacks on your Mac:
What Stacks does is that it groups your files and folders automatically based on their types.
If none of the above options work, you may want to contact Apple.
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