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{{< blocks/products/cells/cells-cloud-upper-banner h1="Swift API to save TSV as XLSB" h2="Swift library to save TSV as XLSB" p="Use Cells SaveAs REST API to create customized spreadsheet workflows in Swift. This is a professional solution to save TSV as XLSB and other document formats online using Swift." urlsection="saveas/tsv-to-xlsb/" >}}
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{{< blocks/products/cells/cells-cloud-section isGrey="true"  title="Save a TSV file as XLSB in Swift" >}}
{{% blocks/products/cells/cells-cloud-api-reference  apiurl=https://api.aspose.cloud/v3.0/cells/{name}/SaveAs  apireferenceurl=https://apireference.aspose.cloud/cells/#/Conversion/PostWorkbookSaveAs  apimethod=POST %}}
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Saving file formats from TSV as XLSB is a complex task. All TSV to XLSB format transitions is performed by our Swift SDK while maintaining the source TSV spreadsheet's main structural and logical content. Our Swift library is a professional solution to save TSV as XLSB files online. This Cloud SDK gives Swift developers powerful functionality and perfect XLSB output.
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{{% blocks/products/cells/cells-cloud-code-div title="Code example in Swift using REST API to save TSV as XLSB format" gistPath="" %}}
  
```swift
// For complete examples and data files, please go to https://github.com/aspose-cells-cloud/aspose-cells-cloud-swift/
    import AsposeCellsCloud
    let expectation1 = self.expectation(description: "checkAuth")
    AsposeCellsCloudAPI.clientId = "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
    AsposeCellsCloudAPI.clientSecret = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
    AuthAspose.checkAuth()
    {
        (authError) in
        guard authError == nil else {
            return
        }
        expectation1.fulfill()
    }
    self.waitForExpectations(timeout: testTimeout, handler: nil)     
    let expectation = self.expectation(description: "saveAs")
    let name:String = BOOK1.tsv
    let saveOptions:PdfSaveOptions? = PdfSaveOptions(enableHTTPCompression: nil, saveFormat: "pdf", clearData: nil, cachedFileFolder: nil, validateMergedAreas: nil, refreshChartCache: nil, createDirectory: nil, sortNames: nil, calculateFormula: nil, checkFontCompatibility: nil, onePagePerSheet: true, compliance: nil, defaultFont: nil, printingPageType: nil, imageType: nil, desiredPPI: nil, jpegQuality: nil, securityOptions: nil)
    let newfilename:String = "newbook.xlsb"
    let isAutoFitRows:Bool? = true
    let isAutoFitColumns:Bool? = true
    let folder:String = TEMPFOLDER
    let storageName:String? = nil        
    CellsAPI.cellsSaveAsPostDocumentSaveAs(name: name, saveOptions: saveOptions, newfilename: newfilename, isAutoFitRows: isAutoFitRows, isAutoFitColumns: isAutoFitColumns, folder: folder, storageName: storageName)
    {
        (response, error) in
        guard error == nil else {
            return
        }            
        if let response = response {
            expectation.fulfill()
        }
    }
    self.waitForExpectations(timeout: testTimeout, handler: nil)
```
  
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{{< blocks/products/cells/cells-cloud-section-list isGrey="true"  title="How to use Swift API to save  TSV as XLSB" >}}
<li>Create an account at <a href="https://dashboard.aspose.cloud/">Dashboard</a> to get free API quota & authorization details</li>
<li>Initialize CellsApi with Client Id, Client Secret, Base URL & API version</li>
<li>Call cellsSaveAsPostDocumentSaveAs method to get the resultant stream</li>
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{{< blocks/products/cells/cells-cloud-section-list isGrey="true"  title="System Requirements" >}}
<li>macOS Monterey 12.4</li>
<li>Swift 4.2</li>
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