Here's the Entrecheck report:
EtreCheck version: 3.4.6 (460)
Report generated 2017-12-11 12:00:47
Download EtreCheck from https://etrecheck.com
Runtime: 8:00
Performance: Below Average
Click the [Lookup] links for more information from Apple Support Communities.
Click the [Details] links for more information about that line.
Problem: Computer is too slow
Hardware Information:ⓘ
Mac mini (Late 2014)
[Technical Specifications] - [User Guide] - [Warranty & Service]
Mac mini - model: Macmini7,1
1 1.4 GHz Intel Core i5 (i5-4260U) CPU: 2-core
4 GB RAM Not upgradeable
BANK 0/DIMM0
2 GB DDR3 1600 MHz ok
BANK 1/DIMM0
2 GB DDR3 1600 MHz ok
Handoff/Airdrop2: supported
Wireless: en1: Unknown
iCloud Quota: 169.73 GB available
Video Information:ⓘ
Intel HD Graphics 5000 - VRAM: 1536 MB
LED Cinema Display 2560 x 1440
Disk Information:ⓘ
APPLE HDD HTS545050A7E362 disk0: (500.11 GB) (Rotational)
[Show SMART report]
EFI (disk0s1 - MS-DOS FAT32) <not mounted> [EFI]: 210 MB
(disk0s2) <not mounted> [CoreStorage Container]: 499.25 GB
Recovery HD (disk0s3 - Journaled HFS+) <not mounted> [Recovery]: 650 MB
USB Information:ⓘ
USB30Bus
Apple, Inc. IR Receiver
Apple Inc. BRCM20702 Hub
Apple Inc. Bluetooth USB Host Controller
hub_device
HGST G-DRIVE mobile USB
mobile USB disk2: (1 TB)
EFI (disk2s1 - MS-DOS FAT32) <not mounted> [EFI]: 210 MB
[redacted]'s external file storage (disk2s2 - Journaled HFS+) /Volumes/Bernie's external file storage : 999.86 GB (949.96 GB free)
Apple Inc. Apple LED Cinema Display
Apple Inc. Display iSight
Apple Inc. Display Audio
Apple, Inc. Keyboard Hub
Apple Inc. Apple Keyboard
Thunderbolt Information:ⓘ
Apple Inc. thunderbolt_bus
Virtual disks:ⓘ
Macintosh HD (disk1 - Journaled HFS+) / [Startup]: 498.89 GB (366.29 GB free)
Physical disk: disk0s2 499.25 GB Online
System Software:ⓘ
macOS High Sierra 10.13.2 (17C88) - Time since boot: about 2 hours
Gatekeeper:ⓘ
Mac App Store and identified developers
Kernel Extensions:ⓘ
/Applications/zoom.us.app
[not loaded] zoom.us.ZoomAudioDevice (1.1 - SDK 10.8) [Lookup]
System Launch Agents:ⓘ
[not loaded] 9 Apple tasks
[loaded] 167 Apple tasks
[running] 94 Apple tasks
[killed] 20 Apple tasks
20 processes killed due to insufficient RAM
System Launch Daemons:ⓘ
[not loaded] 37 Apple tasks
[loaded] 179 Apple tasks
[running] 96 Apple tasks
[killed] 18 Apple tasks
18 processes killed due to insufficient RAM
Launch Agents:ⓘ
[loaded] com.microsoft.update.agent.plist (Microsoft Corporation - installed 2017-12-06) [Lookup]
Launch Daemons:ⓘ
[loaded] com.adobe.fpsaud.plist (? 2afb3af7 defea098 - installed 2017-10-25) [Lookup]
[loaded] com.microsoft.autoupdate.helper.plist (Microsoft Corporation - installed 2017-12-06) [Lookup]
[loaded] com.microsoft.office.licensingV2.helper.plist (Microsoft Corporation - installed 2017-04-09) [Lookup]
User Launch Agents:ⓘ
[loaded] com.citrixonline.GoToMeeting.G2MUpdate.plist (Citrix Online LLC - installed 2017-09-11) [Lookup]
[loaded] com.logmein.GoToMeeting.G2MUpdate.plist (Citrix Online LLC - installed 2017-12-08) [Lookup]
User Login Items:ⓘ
iTunesHelper Application (Apple, Inc. - installed 2017-12-08)
(/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)
Internet Plug-ins:ⓘ
FlashPlayer-10.6: 27.0.0.187 (installed 2017-11-15) [Lookup]
QuickTime Plugin: 7.7.3 (installed 2017-12-08)
Flash Player: 27.0.0.187 (installed 2017-11-15) [Lookup]
User internet Plug-ins:ⓘ
ZoomUsPlugIn: 4.1.9338.0929 (installed 2017-10-13) [Lookup]
3rd Party Preference Panes:ⓘ
Flash Player (installed 2017-10-25) [Lookup]
Time Machine:ⓘ
Time Machine not configured!
Top Processes by CPU:ⓘ
24% photoanalysisd
19% photolibraryd
6% WindowServer
5% com.apple.Safari.SafeBrowsing.Service
2% kernel_task
Top Processes by Memory:ⓘ
541 MB kernel_task
325 MB Microsoft Outlook
110 MB com.apple.WebKit.WebContent
98 MB Microsoft Word
88 MB Microsoft Excel
Top Processes by Network Use:ⓘ
Input Output Process name
4 MB 1 MB kernel_task
1 MB 54 KB mDNSResponder
139 KB 15 KB netbiosd
7 KB 5 KB apsd
6 KB 1 KB com.apple.Safari.SafeBrowsing.Service
Top Processes by Energy Use:ⓘ
22.18 mds_stores
7.48 WindowServer
0.58 Microsoft Outlook
0.12 mds
Virtual Memory Information:ⓘ
921 MB Available RAM
16 MB Free RAM
3.10 GB Used RAM
905 MB Cached files
43 MB Swap Used
Software installs (last 30 days):ⓘ
Adobe Flash Player: (installed 2017-11-15)
Microsoft Excel for Mac: (installed 2017-11-16)
Microsoft Word for Mac: (installed 2017-11-16)
Microsoft OneNote for Mac: (installed 2017-11-16)
Microsoft PowerPoint for Mac: (installed 2017-11-16)
Microsoft Outlook for Mac: (installed 2017-11-16)
Microsoft Excel for Mac: (installed 2017-12-04)
Microsoft Word for Mac: (installed 2017-12-04)
Microsoft OneNote for Mac: (installed 2017-12-04)
Microsoft PowerPoint for Mac: (installed 2017-12-04)
Microsoft Outlook for Mac: (installed 2017-12-04)
Microsoft PowerPoint for Mac: (installed 2017-12-04)
Microsoft AutoUpdate: (installed 2017-12-06)
Microsoft AutoUpdate: (installed 2017-12-06)
Microsoft Outlook for Mac: (installed 2017-12-06)
Microsoft OneNote for Mac: (installed 2017-12-06)
Microsoft Excel for Mac: (installed 2017-12-06)
Microsoft Word for Mac: (installed 2017-12-06)
Microsoft PowerPoint for Mac: (installed 2017-12-06)
Install information may not be complete.