You open a CSV file in Excel and see garbled text, question marks, or strange symbols instead of letters. This happens because Excel is using the wrong character encoding to interpret the file. This article explains why encoding mismatches occur and provides step-by-step methods to open your CSV files correctly. Key Takeaways: Fixing CSV Encoding … Read more
You need to submit medical expense data as a CSV file for e-tax, but Excel fails to save correctly. The file may be rejected for incorrect formatting or encoding. This error occurs because Excel’s default CSV settings are not compatible with Japan’s e-tax system requirements. This article explains the correct save settings to create a … Read more
When you share an Excel file, you might accidentally send hidden data you did not intend to include. This information can be stored in file properties, comments, or document metadata. The Document Inspector is a built-in tool that finds and removes this hidden content. This article shows you how to use it to clean your … Read more
You may have accidentally deleted a critical formula or overwritten a section of your workbook. This data loss often happens during collaborative editing or when you forget to save a copy. Excel’s version history feature automatically saves snapshots of your file. This article explains how to access these past versions and restore your lost information. … Read more
You need to secure sensitive data in your Excel workbook from unauthorized access. Excel provides built-in encryption to lock files with a password. This article explains how to add a password for opening a file and how to remove that protection later. Key Takeaways: Protecting and Unprotecting Excel Files File > Info > Protect Workbook … Read more
You need to share an Excel file with a colleague or client. Emailing the file creates multiple versions and can fill up inboxes. Sharing a link from OneDrive keeps everyone working on the same, single file. This article explains how to generate a shareable link and control what recipients can do with your Excel workbook. … Read more
Large Excel files can become slow to open and save. They also consume significant disk space and are difficult to share via email. The standard .xlsx format is a compressed XML file, which can be inefficient for complex workbooks. This article explains how to save your files in the binary .xlsb format to make them … Read more
You open Excel and need to find a specific workbook you use every day. Scrolling through the recent files list can be slow, especially if you work with many documents. The Recent Files list in Excel shows your recently opened files, but it changes as you open new ones. This article explains how to pin … Read more
You might need to use different Microsoft accounts for personal and work files in Excel. This often happens when your organization uses a separate Microsoft 365 subscription. Excel can manage multiple signed-in accounts, but switching between them or signing out requires specific steps. This article explains how to change your active account and sign out … Read more
You cannot save changes to an Excel file because it opens as read-only. This protection can be set directly on the file or inherited from its folder. The file’s properties and Windows security settings control this access. This article explains how to remove read-only protection using file properties and folder permissions. Key Takeaways: Removing Read-Only … Read more