diff --git a/extractMimeTypes.ps1 b/extractMimeTypes.ps1
new file mode 100644
index 0000000..462f18a
--- /dev/null
+++ b/extractMimeTypes.ps1
@@ -0,0 +1,115 @@
+# Script to extract MIME types and suffixes from "About Plugins.htm"
+# generated from Flashpoint Navigator
+# and compare them with existing entries in proxySettings.json
+# Usage:
+# open flashpoint-navigator, navigate to about:plugins
+# save the page as "About Plugins.htm"
+# place this script, the HTML file, and proxySettings.json in the same folder
+# run the script in PowerShell
+
+$htmlFile = "About Plugins.htm"
+$jsonFile = "proxySettings.json"
+
+$html = Get-Content $htmlFile -Raw
+
+$proxySettings = Get-Content $jsonFile -Raw | ConvertFrom-Json
+$existingMimeTypes = $proxySettings.extMimeTypes
+
+# Extract all MIME type entries from HTML tables
+# Pattern: <td>MIME_TYPE</td><td>DESCRIPTION</td><td>SUFFIXES</td>
+$pattern = '<td>([^<]+)</td>\s*<td>[^<]*</td>\s*<td>([^<]*)</td>'
+$matches = [regex]::Matches($html, $pattern)
+
+$mimeTypeMap = @{}
+
+Write-Host "Extracting MIME types and suffixes from $htmlFile..."
+Write-Host ""
+
+foreach ($match in $matches) {
+    $mimeType = $match.Groups[1].Value
+    $suffixes = $match.Groups[2].Value
+    
+    if ($suffixes) {
+        $suffixList = $suffixes -split ',' | ForEach-Object { $_.Trim() }
+        
+        foreach ($suffix in $suffixList) {
+            if ($suffix -and $suffix -ne '') {
+                if (-not $mimeTypeMap.ContainsKey($suffix)) {
+                    $mimeTypeMap[$suffix] = $mimeType
+                }
+            }
+        }
+    }
+}
+
+Write-Host "Found $($mimeTypeMap.Count) unique suffix-to-MIME-type mappings"
+Write-Host ""
+
+$missingEntries = @{}
+$existingEntries = @{}
+$differentEntries = @{}
+
+foreach ($suffix in $mimeTypeMap.Keys | Sort-Object) {
+    $newMimeType = $mimeTypeMap[$suffix]
+    
+    if ($existingMimeTypes.PSObject.Properties.Name -contains $suffix) {
+        $existingMimeType = $existingMimeTypes.$suffix
+        if ($existingMimeType -ne $newMimeType) {
+            $differentEntries[$suffix] = @{
+                existing = $existingMimeType
+                new = $newMimeType
+            }
+        } else {
+            $existingEntries[$suffix] = $newMimeType
+        }
+    } else {
+        $missingEntries[$suffix] = $newMimeType
+    }
+}
+
+Write-Host "============================================"
+Write-Host "MISSING ENTRIES (need to be added):"
+Write-Host "============================================"
+if ($missingEntries.Count -eq 0) {
+    Write-Host "  None - all suffixes are already in proxySettings.json"
+} else {
+    foreach ($suffix in $missingEntries.Keys | Sort-Object) {
+        Write-Host "  `"$suffix`": `"$($missingEntries[$suffix])`","
+    }
+}
+Write-Host ""
+
+Write-Host "============================================"
+Write-Host "DIFFERENT ENTRIES (same suffix, different MIME type):"
+Write-Host "============================================"
+if ($differentEntries.Count -eq 0) {
+    Write-Host "  None"
+} else {
+    foreach ($suffix in $differentEntries.Keys | Sort-Object) {
+        Write-Host "  $suffix"
+        Write-Host "    Existing: $($differentEntries[$suffix].existing)"
+        Write-Host "    From HTML: $($differentEntries[$suffix].new)"
+    }
+}
+Write-Host ""
+
+Write-Host "============================================"
+Write-Host "SUMMARY:"
+Write-Host "============================================"
+Write-Host "  Total suffixes in HTML: $($mimeTypeMap.Count)"
+Write-Host "  Already in proxySettings.json: $($existingEntries.Count)"
+Write-Host "  Missing from proxySettings.json: $($missingEntries.Count)"
+Write-Host "  Different MIME type: $($differentEntries.Count)"
+Write-Host ""
+
+if ($missingEntries.Count -gt 0) {
+    Write-Host "============================================"
+    Write-Host "JSON FORMAT (for easy copy-paste):"
+    Write-Host "============================================"
+    $jsonOutput = @()
+    foreach ($suffix in $missingEntries.Keys | Sort-Object) {
+        $jsonOutput += "    `"$suffix`": `"$($missingEntries[$suffix])`""
+    }
+    Write-Host ($jsonOutput -join ",`n")
+    Write-Host ""
+}
diff --git a/proxySettings.json b/proxySettings.json
index 37d1ec8..dcf1de3 100644
--- a/proxySettings.json
+++ b/proxySettings.json
@@ -47,16 +47,21 @@
     "svgz"
   ],
   "extMimeTypes": {
+    "3dm": "x-world/x-3dmf",
+    "3dmf": "x-world/x-3dmf",
     "aab": "application/x-authorware-bin",
     "aam": "application/x-authorware-map",
     "aas": "application/x-authorware-seg",
+    "aco": "application/x-o2c-object",
     "afl": "video/animaflex",
     "aif": "audio/aiff",
     "aifc": "audio/aiff",
     "aiff": "audio/aiff",
+    "ali": "application/x-alice-plugin",
     "asd": "application/astound",
     "asmx": "text/xml",
     "asn": "application/astound",
+    "aso": "application/x-o2c-object",
     "au": "audio/basic",
     "aut": "application/pbautomation",
     "aw3": "application/x-awingsoft-winds3d",
@@ -70,6 +75,7 @@
     "ccn": "application/x-cnc",
     "cct": "application/x-director",
     "cdx": "chemical/x-cdx",
+    "cge": "application/x-cge_3d_viewer",
     "cgm": "image/cgm",
     "chm": "chemical/x-chemdraw",
     "cit": "image/cit",
@@ -98,6 +104,7 @@
     "dvl": "application/x-devalvrx",
     "dx": "chemical/x-jcamp-dx",
     "dxr": "application/x-director",
+    "e3d": "application/x-o2c-object",
     "elec": "application/x-electrifier",
     "emb": "chemical/x-pdb",
     "embl": "chemical/x-pdb",
@@ -111,6 +118,7 @@
     "gz": "application/x-gzip-compressed",
     "htm": "text/html",
     "html": "text/html",
+    "iba": "video/x-ibmbamba",
     "ips": "application/x-ipscript",
     "ipx": "application/x-ipix",
     "it": "audio/it",
@@ -124,6 +132,7 @@
     "mcf": "image/vasa",
     "mdz": "audio/x-zipped-mod",
     "med": "audio/x-mod",
+    "mfg": "mforge/x-mirage",
     "mid": "audio/mid",
     "midi": "audio/midi",
     "mjs": "text/javascript",
@@ -136,7 +145,9 @@
     "mwf": "application/x-mwf",
     "nmo": "application/x-virtools",
     "nms": "application/x-virtools",
+    "o2c": "application/x-o2c-object",
     "p3d": "application/x-p3d",
+    "pan": "world/x-panoramix",
     "pdb": "chemical/x-pdb",
     "pqf": "application/x-cprplayer",
     "pqi": "application/cprplayer",
@@ -144,6 +155,9 @@
     "pwc": "application/x-pulse-player",
     "pwn": "application/x-pulse-download",
     "pws": "application/x-pulse-stream",
+    "pxd": "audio/pixound",
+    "qd3d": "x-world/x-3dmf",
+    "qd3": "x-world/x-3dmf",
     "qdgx": "image/x-qdgx",
     "rbs": "x-world/realibase",
     "rle": "image/rle",
@@ -156,10 +170,14 @@
     "skc": "chemical/x-mdl-tgf",
     "smp": "application/studiom",
     "spl": "application/futuresplash",
+    "spr": "application/x-sprite",
+    "sprite": "application/x-sprite",
     "sts": "application/x-squeak-source",
     "svf": "vector/x-svf",
     "svg": "image/svg+xml",
     "svgz": "image/svg+xml",
+    "svh": "image/svh",
+    "svj": "application/x-mssurround",
     "svr": "x-world/x-svr",
     "swa": "application/x-director",
     "swf": "application/x-shockwave-flash",
@@ -178,10 +196,13 @@
     "vec": "image/vec",
     "vmo": "application/x-virtools",
     "vobj": "application/x-netscape-vae-plugin-vae",
+    "vpg": "application/x-vpeg",
     "vrt": "x-world/x-vrt",
     "w3d": "application/x-director",
     "wasm": "application/wasm",
     "wav": "audio/wav",
+    "waf": "plugin/wanimate",
+    "wan": "plugin/uwanimate",
     "web": "application/vnd.xara",
     "wrl": "model/vrml",
     "wrz": "application/x-gzip-compressed",