<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with Wdesk from Workiva-->
<!--Copyright 2021 Workiva-->
<!--r:d3ef81f4-36f9-46e0-8e00-a66732c02a2b,g:d5c547d2-71b8-49d1-ae68-93f8667b8d6e-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.expensify.com/role/Cover" xlink:type="simple" xlink:href="exfy-20211216.xsd#Cover"/>
  <link:presentationLink xlink:role="http://www.expensify.com/role/Cover" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract_6e56b077-e763-4bc0-bd0c-0eca967930d4" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_CoverAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_374acdc3-aa2a-4e25-ba83-a6c5eab49783" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_DocumentType"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e56b077-e763-4bc0-bd0c-0eca967930d4" xlink:to="loc_dei_DocumentType_374acdc3-aa2a-4e25-ba83-a6c5eab49783" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_52849b30-5edc-40e0-8229-16830dc83db8" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_DocumentPeriodEndDate"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e56b077-e763-4bc0-bd0c-0eca967930d4" xlink:to="loc_dei_DocumentPeriodEndDate_52849b30-5edc-40e0-8229-16830dc83db8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_cc4eaa7a-c094-47c0-b664-a56682dc61ed" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityRegistrantName"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e56b077-e763-4bc0-bd0c-0eca967930d4" xlink:to="loc_dei_EntityRegistrantName_cc4eaa7a-c094-47c0-b664-a56682dc61ed" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_794dfa89-8e9c-4e9c-b522-bec2ecd80380" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e56b077-e763-4bc0-bd0c-0eca967930d4" xlink:to="loc_dei_EntityIncorporationStateCountryCode_794dfa89-8e9c-4e9c-b522-bec2ecd80380" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_2dc00dbf-bba8-441c-b63a-7558bda73a44" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityFileNumber"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e56b077-e763-4bc0-bd0c-0eca967930d4" xlink:to="loc_dei_EntityFileNumber_2dc00dbf-bba8-441c-b63a-7558bda73a44" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_4b1f94d9-1736-4685-bbb3-5722913d4964" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e56b077-e763-4bc0-bd0c-0eca967930d4" xlink:to="loc_dei_EntityTaxIdentificationNumber_4b1f94d9-1736-4685-bbb3-5722913d4964" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_15250a0a-7f16-4bc2-b2d2-9b9802a0a227" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityAddressAddressLine1"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e56b077-e763-4bc0-bd0c-0eca967930d4" xlink:to="loc_dei_EntityAddressAddressLine1_15250a0a-7f16-4bc2-b2d2-9b9802a0a227" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_16249f41-8ded-4963-8818-c59087d86dae" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityAddressCityOrTown"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e56b077-e763-4bc0-bd0c-0eca967930d4" xlink:to="loc_dei_EntityAddressCityOrTown_16249f41-8ded-4963-8818-c59087d86dae" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_2d628e46-3d0b-4c74-9a2e-aa668b7f155a" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityAddressStateOrProvince"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e56b077-e763-4bc0-bd0c-0eca967930d4" xlink:to="loc_dei_EntityAddressStateOrProvince_2d628e46-3d0b-4c74-9a2e-aa668b7f155a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_a4de2cda-31da-4f9f-b884-24856e993b2a" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityAddressPostalZipCode"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e56b077-e763-4bc0-bd0c-0eca967930d4" xlink:to="loc_dei_EntityAddressPostalZipCode_a4de2cda-31da-4f9f-b884-24856e993b2a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_6e2e25cd-ecda-4b91-bffb-2a704ff87535" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_CityAreaCode"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e56b077-e763-4bc0-bd0c-0eca967930d4" xlink:to="loc_dei_CityAreaCode_6e2e25cd-ecda-4b91-bffb-2a704ff87535" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_8fe89221-6edd-4d96-baf1-7e708865a2ca" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_LocalPhoneNumber"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e56b077-e763-4bc0-bd0c-0eca967930d4" xlink:to="loc_dei_LocalPhoneNumber_8fe89221-6edd-4d96-baf1-7e708865a2ca" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_1a7e630a-5f66-4c90-9713-eea2a4e9e8bf" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_WrittenCommunications"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e56b077-e763-4bc0-bd0c-0eca967930d4" xlink:to="loc_dei_WrittenCommunications_1a7e630a-5f66-4c90-9713-eea2a4e9e8bf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_a4106ddd-6c6c-47a0-95a1-cf99f7d74df6" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_SolicitingMaterial"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e56b077-e763-4bc0-bd0c-0eca967930d4" xlink:to="loc_dei_SolicitingMaterial_a4106ddd-6c6c-47a0-95a1-cf99f7d74df6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_d51f11c0-c299-42fa-87f1-a4ace18f8905" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_PreCommencementTenderOffer"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e56b077-e763-4bc0-bd0c-0eca967930d4" xlink:to="loc_dei_PreCommencementTenderOffer_d51f11c0-c299-42fa-87f1-a4ace18f8905" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_41de47f2-f7ed-437c-861b-72509bccd4ab" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e56b077-e763-4bc0-bd0c-0eca967930d4" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_41de47f2-f7ed-437c-861b-72509bccd4ab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_0057994a-b564-43d5-99a3-8fec4d5db27f" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_Security12bTitle"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e56b077-e763-4bc0-bd0c-0eca967930d4" xlink:to="loc_dei_Security12bTitle_0057994a-b564-43d5-99a3-8fec4d5db27f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_6008b043-6f1a-4e1b-905a-594eebc84821" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_TradingSymbol"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e56b077-e763-4bc0-bd0c-0eca967930d4" xlink:to="loc_dei_TradingSymbol_6008b043-6f1a-4e1b-905a-594eebc84821" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_079b26bc-5e62-4bff-8b01-82d780c920cb" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_SecurityExchangeName"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e56b077-e763-4bc0-bd0c-0eca967930d4" xlink:to="loc_dei_SecurityExchangeName_079b26bc-5e62-4bff-8b01-82d780c920cb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_46868f24-18f1-4fe6-831d-acd3c9ea0d70" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e56b077-e763-4bc0-bd0c-0eca967930d4" xlink:to="loc_dei_EntityEmergingGrowthCompany_46868f24-18f1-4fe6-831d-acd3c9ea0d70" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityExTransitionPeriod_509e74c7-ebfd-4718-815a-b2372c09f555" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityExTransitionPeriod"/>
    <link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e56b077-e763-4bc0-bd0c-0eca967930d4" xlink:to="loc_dei_EntityExTransitionPeriod_509e74c7-ebfd-4718-815a-b2372c09f555" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_de97d8de-b6e6-45d8-b1a2-122d2db6ab50" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityCentralIndexKey"/>
    <link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e56b077-e763-4bc0-bd0c-0eca967930d4" xlink:to="loc_dei_EntityCentralIndexKey_de97d8de-b6e6-45d8-b1a2-122d2db6ab50" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_6bc30776-2cdb-4403-a4b1-2cb1d7b4a48d" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_AmendmentFlag"/>
    <link:presentationArc order="23" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_6e56b077-e763-4bc0-bd0c-0eca967930d4" xlink:to="loc_dei_AmendmentFlag_6bc30776-2cdb-4403-a4b1-2cb1d7b4a48d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
</link:linkbase>
