Zipped (compressed) files reduce file size and bundle multiple files for easier sharing. In Windows, users can create ZIP files via the right‑click menu or File Explorer tools.

Zip-komprimerede filer optager mindre lagerplads og kan overføres til andre computere hurtigere end dekomprimerede filer. I Windows arbejder du med zippede filer og mapper på samme måde, som du arbejder med ikke-komprimerede filer og mapper.

In Windows können Benutzer ZIP-Dateien über das Kontextmenü oder Explorer-Tools erstellen. Inhalte können mithilfe von "Alle extrahieren" oder durch Ziehen von Dateien aus dem Archiv extrahiert werden.

When you compress, or zip, your file, it decreases its size, and it might decrease it enough to fit within the Outlook size limits for attachments. The following articles describe how to compress and extract files for different Windows operating systems.

To zip a file, navigate to the folder on your computer or in the cloud that contains the file, right-click the file, and select Send to compressed (zipped) folder.

If you select multiple files or folders and then select Download from Microsoft OneDrive, SharePoint in Microsoft 365, or from SharePoint Server Subscription Edition, your browser will start downloading a .zip file containing all the files and folders you selected.

When you want to send your PowerPoint presentation to others, it’s easier to do when the file size isn’t too big. You can compress, or zip, the file in Windows, which shrinks the size of the file but retains the original quality of your presentation.

在 Windows 中，用户可以通过右键单击菜单或文件资源管理器工具创建 ZIP 文件。 可以使用“全部提取”或通过将文件拖出存档来提取内容。 压缩文件夹的行为类似于常规文件夹，但可能会影响加密和压缩结果。

Improve search speed and efficiency by indexing files and their properties, so Windows can quickly locate and return the information you need. For more info, see Search indexing in Windows.

If you want to edit an attachment that's an unsupported file type, you'll have to download and open the file to edit it. To view or preview, select the message, calendar item or task that contains your attachment.