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If Apple Support asks for Mac diagnostics, use Activity Monitor > System Diagnostics to create a new, broad report, or use Console to share a particular log, activity, or report that already exists. Confirm exactly which material and destination your support advisor wants before sending anything. A system diagnostics report is different from Apple Diagnostics, the startup hardware test.

Choose the right workflow first

The phrase “diagnostic logs” can mean several different items in a Mac support case. Select the workflow that matches what the advisor requested rather than sending every file you can find.

What you have or were asked to provide Use Result
A fresh, general snapshot of activity and logs from the Mac Activity Monitor’s System Diagnostics command A system diagnostics report that you can save and send to Apple Support
A particular log message, activity, crash report, or report already visible on the Mac Console’s Share button The selected item shared through the method you choose
You need to inspect the contents of a report created by Activity Monitor Expand the .gz file and open its .logarchive in Console A searchable, sortable log archive
The advisor wants a hardware check Apple Diagnostics at startup A hardware-test result, not a system diagnostics log collection

Do not assume that a hardware-test result substitutes for a log archive, or that a broad system report contains the exact event an advisor asked you to attach. If the case instructions name a file type, time range, or sharing channel, follow those instructions.

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Create a new system diagnostics report with Activity Monitor

Activity Monitor’s System Diagnostics option builds a report from different logs on the Mac. Apple states that you can save the report and send it to Apple Support. The command is intended for collecting a broad set of system information, not for testing hardware at startup.

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Step-by-step

  1. Open Activity Monitor. You can launch it from the Applications folder, the Utilities folder, or Spotlight.
  2. Open the diagnostics options control. Apple’s guide calls it the System diagnostics options pop-up menu; some macOS interface versions present the control as a More button.
  3. Choose System Diagnostics. macOS gathers information from logs on the Mac and creates a report. Collection time and report size can vary, so do not cancel it merely because it does not finish immediately.
  4. When the report is available, save it in a location you can identify, or use the sharing procedure supplied by your Apple Support advisor.
  5. Send only through the destination and method the advisor specified. If the case portal expects an upload, use that portal; if the advisor requested an attachment or a different transfer method, follow those instructions instead.

Do not select a similarly named option by mistake

Activity Monitor offers other diagnostic commands, but they answer different questions:

  • Sample Process samples a selected process for three seconds. It is useful when support is investigating one process, but it is not the general system diagnostics report.
  • Spindump creates a report for unresponsive applications that were terminated with Force Quit.
  • Spotlight Diagnostics creates a report based on processes running on the Mac.
  • System Diagnostics is the broad log-based report described above.

If your case instructions say “system diagnostics report,” choose the option with that exact name. Do not promise a particular filename, folder, file size, or completion time; those details are not fixed by Apple’s user-guide instructions.

Share an existing item from Console

Use Console when the support advisor has identified an existing log message, activity, or report, or when you need to locate a particular event before sharing it. Console can display several report categories and can share selected items from its interface.

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Share a log message, activity, or report

  1. Open Console.
  2. Locate the requested log message, activity, or report. Narrow the view using the available report categories, time range, or search controls if necessary.
  3. Select the item, or select multiple items when the advisor has asked for a group.
  4. Click the toolbar’s Share button.
  5. Choose a sharing method and complete the destination’s requirements. The available choices can depend on the macOS version and the selected item.

Before sharing, verify that the selected time range and item match the case notes. Sharing an unrelated event can slow diagnosis and may disclose technical details that were not requested.

Console is particularly useful when the request is narrow. For example, an advisor may ask for the report associated with one crash rather than a new system-wide collection. In that situation, select the matching report in the Reports sidebar, check its category and time, and share that item. If the advisor asks for several related entries, select the requested group instead of exporting the entire Console history.

When Console asks for administrator credentials

A non-administrator account may need an administrator name and password to view or share log messages. Enter credentials only when you are authorized to do so and only in the macOS authentication prompt. If you do not have authorization, ask the Mac’s administrator or the support advisor how to proceed; do not work around the permission check.

Understand Console’s Reports sidebar

Console’s Reports area can contain crash, spin, log, and diagnostic reports. Reports generated by applications used by the current account are user reports. System reports concern operating-system components that can affect all users. A signed-in administrator can view all reports, while a non-administrator can view only user reports.

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Report category What it generally represents Typical extension
Crash report Information about an application or process that crashed .ips
Spin report Information captured while an application or process is unresponsive .spin
Log report Collected log information .log, ._log, or .its
Diagnostic report A diagnostic report generated by the system or an application .diag or .dpsub

These formats are not interchangeable. If an advisor requests a crash report, do not replace it with a spin or diagnostic report simply because it is easier to find. The extension is a useful clue, but the advisor’s wording and the report’s description are the deciding factors.

Open and inspect the archive created by Activity Monitor

A system diagnostics report can be opened as a log archive. This is useful when support asks you to find entries around a specific time, or when you need to confirm what the report contains before sharing it.

  1. In Finder, locate the report whose name ends in .gz.
  2. Double-click the .gz file. Finder expands it into a directory.
  3. Open the extracted directory and double-click the .logarchive file. macOS opens the archive in Console.
  4. In Console, browse the archive, sort or filter by a time range, and search for terms supplied by the support advisor.
  5. When you have identified the requested material, use Console’s sharing controls for the relevant log, activity, or report.

The two extensions represent different stages: .gz is the compressed report you first receive, while .logarchive is the expanded archive Console can read. Do not rename the compressed file to make it appear to be a log archive. If you need to preserve the original, work from a copy and retain the untouched compressed report for the duration of the case.

Keep the original compressed report until the case is closed or Apple tells you it is no longer needed. If the archive does not open, move a copy to a local folder you can access and try again; do not change its extension manually.

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System Diagnostics is not Apple Diagnostics

System Diagnostics is a macOS log-collection command in Activity Monitor. Apple Diagnostics is a separate startup hardware test. Apple Diagnostics can help identify possible hardware problems, but its startup method depends on whether the Mac uses Apple silicon or an Intel processor. Current instructions also vary by macOS release; macOS Tahoe 26 and later can ask you to select a specific diagnostic.

Use the procedure named in your support case. If the advisor asks for a system diagnostics report, remain in macOS and use Activity Monitor. If the advisor asks you to run Apple Diagnostics, follow the startup instructions for your Mac’s processor type and release. A hardware-test result does not automatically include the log archive produced by Activity Monitor.

These tools answer different support questions. A System Diagnostics report gives Apple software and support staff a broad set of records gathered from the running system. Apple Diagnostics runs before normal macOS use and checks for possible hardware faults. Running one does not create the other, so ask which result the case requires when the wording is unclear.

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Privacy and safe sharing

Diagnostic material can reveal technical context about a Mac. Apple says Mac analytics information may include hardware and software specifications, connected-device information, and details about crashes, freezes, kernel panics, events, or software usage. That description concerns analytics information; it does not establish that every file an Apple Support advisor requests contains all of those fields.

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  • Confirm the requested artifact and destination with the advisor before exporting or uploading it.
  • Do not add passwords, access tokens, personal identifiers, or unrelated notes to a diagnostic comment.
  • Review the recipient and attachment name before sending. Use the official case portal or channel supplied for your case.
  • Do not assume a report is anonymous, fully sanitized, or free of sensitive information.
  • To review Mac analytics settings, open System Settings > Privacy & Security > Analytics & Improvements. Analytics information can also be viewed in Console.

Privacy settings do not replace the case-specific sharing instructions. An advisor may need a report generated directly from Activity Monitor even if analytics sharing is disabled. Conversely, changing analytics settings is not a substitute for selecting and sharing the report named in your support instructions.

Troubleshoot common collection problems

The diagnostics menu is hard to find

Make sure Activity Monitor is the active application and look for the diagnostics options pop-up menu or the interface’s More button. Do not confuse the controls with process-management actions such as Quit or Force Quit. If the label still differs, use the option whose name is System Diagnostics.

Console shows fewer reports than expected

Account permissions affect what Console can display. Non-administrators can view only user reports and may need administrator credentials to view or share log messages. Ask an authorized administrator to perform the collection rather than copying files from protected locations or changing permissions.

The advisor asked for a specific event, but the new report is broad

Open the report’s .logarchive in Console, then filter by the requested time and search terms. If the advisor named a crash, spin, log, or diagnostic report, use the corresponding Reports category and extension instead of sending the broad archive alone.

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The file opens in the wrong application

For an Activity Monitor archive, first expand the outer .gz file. Then open the inner .logarchive in Console. The compressed file and the log archive are different stages of the same report; changing extensions does not convert one into the other.

You are unsure what to send

Pause and ask the support advisor to specify the report type, time period, and destination. Apple’s sharing method can depend on the material requested. Sending multiple unrequested files increases disclosure without guaranteeing that the useful evidence is included.

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You cannot authenticate

Do not guess an administrator password or attempt to bypass the prompt. A non-administrator may be limited to user reports. Have an authorized administrator sign in, or ask Apple Support for an alternative collection method appropriate to the case.

AppleCare-managed collection is a different workflow

Apple documents an organization-managed collection process for AppleCare cases. It requires an AppleCare Professional Support agreement and a token provided by AppleCare, and Macs use interactive log collection. This is not a normal consumer upload path and is not something a home user can substitute for Activity Monitor or Console.

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If your organization has been given that process, use the deployment instructions and token supplied by AppleCare. Otherwise, use the standard Activity Monitor or Console workflow requested by your advisor. Do not download an enterprise collection package or request a token unless your organization’s AppleCare contact has directed you to do so.

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A final handoff checklist

  • Identify whether the request is for System Diagnostics, a Console item, an extracted .logarchive, a specific report type, or Apple Diagnostics.
  • Use the matching macOS tool and exact interface label.
  • Record the time range or event the advisor named before filtering or selecting items.
  • Authenticate only through a normal macOS prompt and only with authorization.
  • Keep the original .gz report and any extracted archive until the case is resolved.
  • Check the recipient, sharing method, and selected files immediately before sending.
  • Follow up if the advisor needs a different report category or a new collection after a problem is reproduced.

For most consumer AppleCare cases, the practical path is straightforward: create a fresh report with Activity Monitor when a broad collection is requested; use Console when a particular existing item is requested; and treat Apple Diagnostics as a separate hardware test.

Frequently Asked Questions

What is the fastest way to create a Mac diagnostic report for Apple Support?

Open Activity Monitor, open the system diagnostics options menu or More button, and choose System Diagnostics. Save the resulting report and send it using the destination your advisor specified.

Should I use Activity Monitor or Console?

Use Activity Monitor for a new, broad report based on Mac logs. Use Console when Apple Support wants a particular existing log message, activity, crash report, or other report.

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What is the difference between a .gz file and a .logarchive?

The .gz file is the compressed Activity Monitor report. Double-click it in Finder to expand it, then open the extracted .logarchive in Console for browsing and searching.

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Why can’t I see all the reports in Console?

Non-administrator accounts can view only user reports and may need administrator credentials to view or share log messages. Ask an authorized administrator to help rather than changing permissions.

Is Apple Diagnostics the same as System Diagnostics?

No. System Diagnostics collects macOS logs while Apple Diagnostics is a separate startup hardware test. Follow the exact procedure named by Apple Support.

Can diagnostic logs contain private information?

They can contain technical context. Apple says analytics information may include hardware and software specifications, connected devices, crashes, freezes, kernel panics, events, or software usage, but not every requested support file necessarily contains all of those fields. Confirm the destination and requested files before sending.

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Which file type should I send for an app crash?

Ask the advisor whether a crash report is required. Console identifies crash reports separately from spin, log, and diagnostic reports; crash reports commonly use the .ips extension.

What if Apple Support asks for an AppleCare collection package?

That may be an organization-managed workflow requiring an AppleCare Professional Support agreement and a token from AppleCare. It is not the normal consumer upload path; follow your organization’s AppleCare instructions.

The Bottom Line

Match the tool to the request: Activity Monitor > System Diagnostics for a fresh broad collection, Console for a specific existing item, and an expanded .logarchive when you need to inspect the collected logs. Apple Diagnostics is a separate hardware test. Confirm the report type, time range, recipient, and sharing method with Apple Support before sending.

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