Package.xml to get all the metadata using Visual Studio Code for Salesforce

Package.xml:

1. <?xml version="1.0" encoding="UTF-8" standalone="yes"?>  
2. <Package xmlns="http://soap.sforce.com/2006/04/metadata">  
3.     <types>  
4.         <members>*</members>  
5.         <name>ApexClass</name>  
6.     </types>  
7.     <types>  
8.         <members>*</members>  
9.         <name>ApexComponent</name>  
10.     </types>  
11.     <types>  
12.         <members>*</members>  
13.         <name>ApexPage</name>  
14.     </types>  
15.     <types>  
16.         <members>*</members>  
17.         <name>ApexTestSuite</name>  
18.     </types>  
19.     <types>  
20.         <members>*</members>  
21.         <name>ApexTrigger</name>  
22.     </types>  
23.     <types>  
24.         <members>*</members>  
25.         <name>AuraDefinitionBundle</name>  
26.     </types>  
27.     <types>  
28.         <members>*</members>  
29.         <name>StaticResource</name>  
30.     </types>  
31.     <types>  
32.         <members>*</members>  
33.         <name>CustomApplication</name>  
34.     </types>  
35.     <types>  
36.         <members>*</members>  
37.         <name>ApprovalProcess</name>  
38.     </types>  
39.     <types>  
40.         <members>*</members>  
41.         <name>AssignmentRule</name>  
42.     </types>  
43.     <types>  
44.         <members>*</members>  
45.         <name>AuthProvider</name>  
46.     </types>  
47.     <types>  
48.         <members>*</members>  
49.         <name>CallCenter</name>  
50.     </types>  
51.     <types>  
52.         <members>*</members>  
53.         <name>Community</name>  
54.     </types>  
55.     <types>  
56.         <members>*</members>  
57.         <name>ConnectedApp</name>  
58.     </types>  
59.     <types>  
60.         <members>*</members>  
61.         <name>CustomApplicationComponent</name>  
62.     </types>  
63.     <types>  
64.         <members>*</members>  
65.         <name>CustomMetadata</name>  
66.     </types>  
67.     <types>  
68.         <members>*</members>  
69.         <name>CustomPermission</name>  
70.     </types>  
71.     <types>  
72.         <members>*</members>  
73.         <name>Dashboard</name>  
74.     </types>  
75.     <types>  
76.         <members>*</members>  
77.         <name>DataCategoryGroup</name>  
78.     </types>  
79.     <types>  
80.         <members>*</members>  
81.         <name>Document</name>  
82.     </types>  
83.     <types>  
84.         <members>*</members>  
85.         <name>EmailTemplate</name>  
86.     </types>  
87.     <types>  
88.         <members>*</members>  
89.         <name>EntitlementProcess</name>  
90.     </types>  
91.     <types>  
92.         <members>*</members>  
93.         <name>EntitlementTemplate</name>  
94.     </types>  
95.     <types>  
96.         <members>*</members>  
97.         <name>FlexiPage</name>  
98.     </types>  
99.     <types>  
100.         <members>*</members>  
101.         <name>Flow</name>  
102.     </types>  
103.     <types>  
104.         <members>*</members>  
105.         <name>Group</name>  
106.     </types>  
107.     <types>  
108.         <members>*</members>  
109.         <name>HomePageComponent</name>  
110.     </types>  
111.     <types>  
112.         <members>*</members>  
113.         <name>HomePageLayout</name>  
114.     </types>  
115.     <types>  
116.         <members>*</members>  
117.         <name>CustomLabels</name>  
118.     </types>  
119.     <types>  
120.         <members>*</members>  
121.         <name>Layout</name>  
122.     </types>  
123.     <types>  
124.         <members>*</members>  
125.         <name>MilestoneType</name>  
126.     </types>  
127.     <types>  
128.         <members>Account</members>  
129.         <members>AccountContactRole</members>  
130.         <members>Activity</members>  
131.         <members>Asset</members>  
132.         <members>AssetRelationship</members>  
133.         <members>AssistantProgress</members>  
134.         <members>Campaign</members>  
135.         <members>CampaignMember</members>  
136.         <members>Case</members>  
137.         <members>CaseContactRole</members>  
138.         <members>CaseMilestone</members>  
139.         <members>ChatterActivity</members>  
140.         <members>CollaborationGroup</members>  
141.         <members>CollaborationGroupMember</members>  
142.         <members>Contact</members>  
143.         <members>ContentVersion</members>  
144.         <members>Contract</members>  
145.         <members>ContractContactRole</members>  
146.         <members>ContractLineItem</members>  
147.         <members>DuplicateRecordItem</members>  
148.         <members>DuplicateRecordSet</members>  
149.         <members>EmailMessage</members>  
150.         <members>Entitlement</members>  
151.         <members>EntitlementContact</members>  
152.         <members>EntityMilestone</members>  
153.         <members>Event</members>  
154.         <members>ExchangeUserMapping</members>  
155.         <members>FeedItem</members>  
156.         <members>ForecastingAdjustment</members>  
157.         <members>ForecastingCategoryMapping</members>  
158.         <members>ForecastingOwnerAdjustment</members>  
159.         <members>ForecastingQuota</members>  
160.         <members>ForecastingTypeToCategory</members>  
161.         <members>Idea</members>  
162.         <members>Indicator_Badge__mdt</members>  
163.         <members>Lead</members>  
164.         <members>LeadGen_Reroute_Parent_Queue__mdt</members>  
165.         <members>Macro</members>  
166.         <members>MacroAction</members>  
167.         <members>MacroInstruction</members>  
168.         <members>Opportunity</members>  
169.         <members>OpportunityCompetitor</members>  
170.         <members>OpportunityContactRole</members>  
171.         <members>OpportunityLineItem</members>  
172.         <members>Order</members>  
173.         <members>OrderItem</members>  
174.         <members>PartnerRole</members>  
175.         <members>PersonAccount</members>  
176.         <members>Pricebook2</members>  
177.         <members>PricebookEntry</members>  
178.         <members>Product2</members>  
179.         <members>ProfileSkill</members>  
180.         <members>ProfileSkillEndorsement</members>  
181.         <members>ProfileSkillUser</members>  
182.         <members>QuickText</members>  
183.         <members>Quote</members>  
184.         <members>QuoteLineItem</members>  
185.         <members>RecordAction</members>  
186.         <members>RequestsForAccessSIQ</members>  
187.         <members>Scorecard</members>  
188.         <members>ScorecardAssociation</members>  
189.         <members>ScorecardMetric</members>  
190.         <members>ServiceContract</members>  
191.         <members>Site</members>  
192.         <members>SocialPersona</members>  
193.         <members>Solution</members>  
194.         <members>StreamActivityAccess</members>  
195.         <members>StreamingChannel</members>  
196.         <members>Task</members>  
197.         <members>Topic</members>  
198.         <members>TopicAssignment</members>  
199.         <members>User</members>  
200.         <members>WorkBadge</members>  
201.         <members>WorkBadgeDefinition</members>  
202.         <members>WorkOrder</members>  
203.         <members>WorkOrderLineItem</members>  
204.         <members>WorkThanks</members>  
205.         <members>*</members>  
206.         <name>CustomObject</name>  
207.     </types>  
208.     <types>  
209.         <members>*</members>  
210.         <name>Letterhead</name>  
211.     </types>  
212.     <types>  
213.         <members>*</members>  
214.         <name>CustomObjectTranslation</name>  
215.     </types>  
216.     <types>  
217.         <members>*</members>  
218.         <name>PermissionSet</name>  
219.     </types>  
220.     <types>  
221.         <members>*</members>  
222.         <name>PostTemplate</name>  
223.     </types>  
224.     <types>  
225.         <members>*</members>  
226.         <name>Profile</name>  
227.     </types>  
228.     <types>  
229.         <members>*</members>  
230.         <name>Queue</name>  
231.     </types>  
232.     <types>  
233.         <members>*</members>  
234.         <name>QuickAction</name>  
235.     </types>  
236.     <types>  
237.         <members>*</members>  
238.         <name>RemoteSiteSetting</name>  
239.     </types>  
240.     <types>  
241.         <members>*</members>  
242.         <name>ReportType</name>  
243.     </types>  
244.     <types>  
245.         <members>*</members>  
246.         <name>Workflow</name>  
247.     </types>  
248.     <types>  
249.         <members>*</members>  
250.         <name>Report</name>  
251.     </types>  
252.     <types>  
253.         <members>*</members>  
254.         <name>SiteDotCom</name>  
255.     </types>  
256.     <types>  
257.         <members>*</members>  
258.         <name>CustomSite</name>  
259.     </types>  
260.     <types>  
261.         <members>*</members>  
262.         <name>Scontrol</name>  
263.     </types>  
264.     <types>  
265.         <members>*</members>  
266.         <name>Settings</name>  
267.     </types>  
268.     <types>  
269.         <members>*</members>  
270.         <name>CustomTab</name>  
271.     </types>  
272.     <types>  
273.         <members>*</members>  
274.         <name>Translations</name>  
275.     </types>  
276.     <types>  
277.         <members>*</members>  
278.         <name>CustomPageWebLink</name>  
279.     </types>  
280.     <types>  
281.         <members>*</members>  
282.         <name>Role</name>  
283.     </types>  
284.     <types>  
285.         <members>*</members>  
286.         <name>SamlSsoConfig</name>  
287.     </types>  
288.     <version>44.0</version>  
289. </Package>  

Reports, documents, email templates, etc are foldered and currently not supported.