DEV Community: Vedad Borovac

How to Fix “Broken Formatting” in Excel (Quick Repair Guide)

Vedad Borovac — Mon, 08 Dec 2025 16:12:51 +0000

I don’t know about you, but nothing makes me lose patience faster than opening an Excel file and seeing everything look completely wrong.

Random fonts.
Strange colors.

Cells that suddenly act like they’ve never heard of alignment in their life.
Sometimes borders disappear, sometimes they multiply on their own like gremlins.

I used to think Excel was just “being Excel.”
But eventually, after dealing with broken formatting one too many times, I told myself: Okay, this can’t be normal. There has to be a reason behind this chaos.

And there is.

Before I jump into the fixes, let me tell you a small discovery that actually surprised me. I found out that a lot of formatting bugs come from the Office installation itself, not the spreadsheet. Trial versions, outdated builds, or half-activated copies can make themes, styles, and colors behave unpredictably. When I finally switched to a stable, fully activated setup (in my case, a simple Microsoft Office lifetime license), half of these “random glitches” stopped happening.

Alright, now let’s go through the real fixes, the ones that saved my sanity.

Clear Everything That Isn’t Data (Formatting Gets Corrupted Often) One of the first things I learned is this: formatting breaks more often than formulas.

If a sheet suddenly looks wrong, try this:

Home → Clear → Clear Formats

This keeps your data but removes:

weird colors
stuck borders
overwritten fonts
leftover table styles

It’s like giving Excel a fresh haircut — removing everything that got messed up.

If that solves the problem, great. If not, let’s go deeper.

Reset the Cell Styles (A Hidden Source of Problems) This one shocked me the first time I discovered it.

Excel has a hidden “style library” inside your file. Every time you copy-paste data from another sheet, email, or system, it secretly imports new styles. Over time, your file becomes bloated with:

duplicate styles
corrupted styles
broken themes

And when these pile up, formatting breaks everywhere.

Here’s what I always do now:

Home → Cell Styles → Right-click → “Delete” the weird ones

If there are too many to delete manually, the nuclear option is:

Save as → .xlsx (new file)
Excel rebuilds the style library from scratch, and formatting stabilizes.

Fix Dates, Numbers, and Text That Excel Misreads Sometimes formatting isn’t “broken” Excel just doesn’t understand what it’s looking at.

For example:

dates imported as text
numbers stuck as text
currencies formatted inconsistently
decimals using commas instead of dots

To clean this quickly:

Convert text to numbers
Select → Warning icon → Convert to Number

or:

=VALUE(A2)

Normalize dates
Data → Text to Columns → Finish

This forces Excel to re-interpret the value.

Trust me, half of “formatting errors” are actually misinterpreted data.

Remove Hidden Formatting That Slows Everything Down This one took me years to figure out.

Formatting can break because Excel is trying to load old, invisible garbage:

conditional formatting rules from old sheets
leftover styles from deleted tables
formatting applied to entire columns
thousands of blank rows with hidden colors

Do this:

Step 1 - Open Conditional Formatting Manager
Home → Conditional Formatting → Manage Rules → Show: This Worksheet

Delete everything that looks suspicious or duplicated.

Step 2 - Clean excess formatting
File → Info → Check for Issues → Inspect Document

This tool is underrated - it clears formatting debris Excel normally hides.

Rebuild the Table or Convert Back to Range Tables in Excel are powerful, but they can break too.

If colors or formatting jump around unpredictably:

Table Design → Convert to Range
then
Home → Format as Table (apply again)

This rebuilds the underlying structure without touching your data.

Repair Office (This Fixes More Than You Think) I ignored this option for years. Turns out, it solves issues that NOTHING ELSE solves.

Go to:

Control Panel → Programs → Microsoft Office → Change → Quick Repair

If formatting problems appear across multiple files — not just one — then your Excel installation might be corrupted from updates, partial activations, or leftover trial files.

Quick Repair usually fixes it in under 3 minutes.

Why my excel felt slow? How I finally fixed it (without reinstalling windows)

Vedad Borovac — Fri, 05 Dec 2025 13:47:10 +0000

If you’ve worked in Excel long enough, you definitely know the feeling: you click somewhere, type a formula, drag a range… and Excel just stops for a second. Or two. Sometimes it even freezes long enough that you start questioning your life choices. I used to think it was just “normal Excel behavior” until I hit a point where it started slowing me down more than I could tolerate.

One morning, after waiting 12 seconds for a simple SUM formula to calculate (I counted), I hit my breaking point. I told myself: okay, this is ridiculous, people build rockets with computers faster than this, why am I fighting cells in a spreadsheet?

So I started digging. And the deeper I went, the more I realized Excel isn’t slow because it’s old or broken. It’s slow because our data is usually a mess, and we expect Excel to magically handle everything.

Before I get into the fixes, here’s one quick thing I learned the hard way: Excel behaves noticeably better when you’re running a fully updated, fully activated version of Office. I used to hop between old installs and random versions, and weird bugs just kept happening. Once I switched to a properly activated setup (people often grab a Microsoft Office lifetime license just to avoid subscription issues), things became much more stable. But anyway, let’s talk about the real fixes.

Clean your data, because messy sheets slow everything down This was my biggest mistake. I had extra spaces everywhere, weird characters from copy-pasting data, numbers stored as text, broken dates, the whole circus. Excel can handle messy data, but it hates it.

What helped me instantly:

Using TRIM() to fix invisible spaces
CLEAN() for weird characters
VALUE() to convert “fake numbers” back to real numbers
It sounds basic, but cleaning your data is like giving Excel a fresh breath of air. Everything recalculates faster because formulas aren’t fighting garbage.

Stop overusing volatile formulas (I was guilty of this) I didn’t even know what volatile formulas were until my spreadsheet started lagging every time I sneezed. Functions like:

NOW()
TODAY()
OFFSET()
INDIRECT()
…recalculate constantly, even when nothing changed.

I replaced them with static values or helper columns, and the file instantly became snappier. It felt like removing a backpack full of bricks.

Large ranges are silent performance killers

I used to do this constantly:
=SUM(A:A)

And then wondered why everything was lagging.

Excel recalculates the entire column over a million rows every single time. Switching to specific ranges:

=SUM(A2:A500)
cut the lag dramatically. Little things, big payoff.

Pivot Tables and Power Query fixed half my problems At one point, I had formulas everywhere trying to clean and organize huge datasets. Then someone told me: “Why aren’t you using Power Query? It cleans data automatically.”

And they were right. Power Query lets you:

remove duplicates
split columns
clean text
change data types
refresh everything with one click

It’s like hiring someone smarter than you to clean your data daily.

Pivot Tables also help because they calculate once, not constantly like formulas.

Delete hidden stuff, old sheets, broken charts, leftover formatting This one surprised me. Excel files get slow not because of the data you SEE, but because of the stuff you forgot exists:

conditional formatting everywhere
unused cell styles
old Pivot caches
hidden sheets full of junk
charts referencing deleted ranges

When I cleaned all that, my file size dropped from 18 MB to 4 MB and the lag disappeared.

Save as .XLSX (not .XLS), I am being serious At one point I realized I was still saving some files in the old .xls format. Excel hates this as well. Switching to .xlsx literally doubled the speed in some cases.

How to clean messy data in excel, these are simple techniques that work

Vedad Borovac — Thu, 04 Dec 2025 13:13:49 +0000

If you work with Excel long enough, you eventually end up staring at a worksheet that looks like a tornado passed through it. Extra spaces, inconsistent formats, random characters, duplicated rows, all the small problems that slow you down when you just want clean, usable data.

The good news?
You don’t need to be an analyst or power-user to fix this stuff. Most of the tools you need are already built into Excel, you just have to know where they are and how to apply them. Let me show you the techniques I use all the time when I’m cleaning messy spreadsheets, step by step, in a way that makes sense even if you’re not technical.

Start by Removing Extra Spaces (It’s More Common Than You Think) One of the biggest sources of “mystery errors” in Excel is the invisible space, before or after a word, or sometimes between words. These invisible characters break lookups, formulas, and sorting.

The easiest fix is the TRIM() function.

If your messy value is in A2, write:

=TRIM(A2)
This removes extra spaces but keeps single spaces between words.
Once the cleaned version appears, copy it → right-click → Paste Values to replace the original.

This single step fixes half of the problems I see people struggle with.

Use Flash Fill to Standardize Formats Instantly Flash Fill is like Excel’s built-in “pattern recognizer.” If your data has different formats, names written differently, phone numbers inconsistent, dates messy — Flash Fill can rebuild everything in a consistent pattern with almost no work.

Here’s how it works:

In a new column, rewrite one value the way you want it.
Start typing the second value.
Excel will automatically suggest a pattern.
Press Enter to accept.

It works for phone numbers, emails, names, ID numbers, anything with a structure. Once you learn Flash Fill, it becomes your fastest cleanup tool.

Once you start cleaning data regularly, you’ll notice that Excel behaves far more predictably on a fully activated Office installation. Many users avoid random crashes and formatting bugs simply by switching to a microsoft office lifetime license, since it gives them a stable, feature-complete environment without subscription limitations.

Remove Duplicates the Right Way (Not Everything Should Be Deleted) Duplicates aren’t always mistakes, sometimes they’re legitimate entries. So before deleting anything, decide what makes a row “unique.”

Once you know that:

Select your whole table.
Go to Data → Remove Duplicates.
Choose the columns that matter (for example, email + order ID).
Confirm.

Excel will keep the first instance and remove any repeats in a controlled, predictable way.

Fix Weird Characters Using CLEAN and SUBSTITUTE Messy data often comes from copy-pasting out of PDFs, websites, or exported systems. You may see symbols, line breaks, or non-printable characters.

Try:

=CLEAN(A2)
This removes hidden characters.
For unwanted symbols (like “-”, “/”, “#”), use:

=SUBSTITUTE(A2, "-", "")
You can chain SUBSTITUTE multiple times if needed.

Convert Numbers Stored as Text Back Into Real Numbers If you ever tried doing math in Excel and got strange results, the issue may be that your “numbers” are actually text.

To fix it:

Select the column.
Look for a small yellow warning symbol.
Click it → Convert to Number. Or use:

=VALUE(A2)
This is the key step for cleaning imported financial data or large CSV exports.

Use Power Query When You Need a More Serious Cleanup If your sheet is truly chaotic with inconsistent columns, mixed formats, missing headers, Power Query is a lifesaver. It lets you:

split and merge columns
remove blanks
filter errors
change data types
clean and transform hundreds of rows at once

You’ll find it under Data → Get & Transform.

It feels complicated at first, but even basic steps can massively simplify your workflow.

Can You Transfer Your Windows License to a New PC? Here’s the Real Answer

Vedad Borovac — Wed, 03 Dec 2025 14:01:37 +0000

If you’re building a new PC or replacing an old laptop, one of the first questions you’ll probably ask yourself is: Can I transfer my Windows license to the new machine, or do I have to buy a new one?

It’s a completely valid question. Windows is not cheap, and licensing rules can feel like a maze if you’re not familiar with them. So let me walk you through it in a way that’s simple, practical, and based on how things actually work in 2025.

The short version is this: some Windows licenses can be transferred, and some cannot. Your ability to move Windows to a new device depends entirely on which type of license you originally activated.

Let’s break it down so you know exactly where you stand.

First: Check What Type of License You Have Windows licenses come in three main categories:

• Retail
This is the most flexible version. If you purchased Windows as a standalone product , online, in a box, or as a digital key, you most likely have a Retail license. Retail licenses can be transferred to a new PC as long as you remove them from the old one.

• OEM
This is the version that comes preinstalled on desktops and laptops bought in stores. OEM licenses cannot legally be transferred. They’re permanently tied to the first motherboard they were activated on. Even if the rest of the computer changes, that original board is what matters.

• Volume (MAK/KMS)
These are enterprise licenses, typically used in larger organizations.
They don’t behave like Retail or OEM, and usually require admin-level tools or server activation. For home users, they’re irrelevant, so we’ll focus on what most people actually deal with: Retail vs OEM.

To check your license type, open Command Prompt and type:

slmgr /dli
If you see “Retail,” you’re in good shape for a transfer.

If You Have a Retail License — Here’s How to Transfer It Assuming your license is Retail, the process is more straightforward than people think.

Step 1: Remove the license from your old PC
This isn’t mandatory in every case, but it prevents activation conflicts.

Open Command Prompt as Administrator and run:

slmgr /upk
slmgr /cpky
This uninstalls the product key and clears it from the registry.

Step 2: Install Windows on your new PC
You can download the official Windows 11 installer directly from Microsoft’s website. During installation, choose “I don’t have a product key.” You’ll activate later.

Step 3: Enter your key on the new PC
After setup, go to:

Settings → System → Activation → Change product key

Enter your key, and Windows should activate.

If activation doesn’t go through immediately (which sometimes happens when hardware changes are large), hit:

Troubleshoot → I changed hardware on this device

Then sign in using the Microsoft account that was linked to your previous activation.

What If Your License Isn’t Transferable?
If your old machine used an OEM license, you’re not allowed to move it.
In that case, the cleanest option is to activate the new PC using a new key. Most people simply get a windows 11 pro key from a verified reseller because it’s faster, easier, and avoids activation loops.
What Happens If You Upgrade Major Hardware?
Replacing RAM, SSD, GPU, and even CPU usually does not break activation. Replacing the motherboard almost always does.

With a Retail license, you can reactivate.
With an OEM license, the system treats the new motherboard as a new device and activation fails.

10 Excel Shortcuts That Instantly Boost Productivity (2025 Update)

Vedad Borovac — Tue, 02 Dec 2025 14:28:33 +0000

If you work in Excel regularly, you know how easy it is to waste time on simple actions like navigating sheets, selecting data, or fixing formatting. Shortcuts are the fastest way to speed things up, and once you get used to a few of them, you feel the difference immediately.

Here are ten shortcuts that actually matter in day-to-day work, especially if you’re dealing with bigger spreadsheets in 2025.

CTRL + SHIFT + L — Turn filters on/off instantly
Instead of clicking around the toolbar, this shortcut toggles filters in a split second. If you work with datasets, this is a must-have.
CTRL + Arrow Keys — Jump to the edge of data
Scrolling is outdated. CTRL + arrows gets you to the end of rows or columns instantly.
CTRL + SHIFT + Arrow Keys — Select big ranges
Highlight entire sections of a dataset without dragging your mouse across the screen.
ALT → E → S → V — Paste values only
A classic. Instead of right-clicking, use this to paste values instantly while keeping everything clean.
F4 — Repeat your last action
Whether you just changed a color, resized a row, or applied a format, F4 repeats the action without you doing it again manually.
CTRL + SHIFT + + — Insert new rows or columns
If you reorganize sheets a lot, this one saves you a ton of time.
CTRL + SHIFT + $ — Quick currency format
Perfect for financial sheets.
CTRL + SHIFT + ! — Standard number formatting
Cleans up messy imports in one move.
CTRL + ; — Insert today’s date
Anyone who logs tasks, entries, or reports uses this constantly.
CTRL + SHIFT + % — Turn values into percentages quickly
Super useful if you work with KPIs, ratios, or performance dashboards.

A small but important note about Excel versions
If you’ve ever noticed that shortcuts behave differently on different computers, there’s usually a simple reason: not every Excel installation has the same feature set.

The full desktop version (the licensed one) supports all advanced tools like PowerQuery, dynamic arrays, proper PivotTable handling, and full keyboard shortcut integration. Lighter or unlicensed versions sometimes miss features or behave inconsistently, especially when working with complex workbooks.

That’s why it’s important to make sure you’re using a properly licensed version of Office/Excel. It doesn’t have to be a subscription, even a one-time lifetime licence gives you the full feature set. People usually get them from verified software resellers, and sites like pixelcodes.com are a common option when you need a legitimate Office key without overpaying.

This isn’t about marketing, it’s simply the difference between Excel working the way it should and Excel running with limitations.

Which Office Version Should You Buy in 2025? (Realistic Scenarios)

Vedad Borovac — Mon, 01 Dec 2025 15:43:21 +0000

Choosing the right Microsoft Office version in 2025 is not as simple as “free vs paid” or “365 vs one-time purchase”. The ideal choice depends heavily on how you use Office — your workflow, the type of documents you handle, and whether you prefer subscription software or a one-time payment.

Below is a realistic breakdown based on actual user scenarios, not marketing.

Scenario 1: You’re a casual user who only needs Word, Excel, and PowerPoint occasionally

If you write documents, edit simple spreadsheets, or make basic presentations — and you don’t need monthly updates or cloud features — you don’t need a heavy subscription.

Best option:
Office 2021 Home & Student (one-time purchase)

Why it fits:

You pay once, no recurring fees
Works offline
Perfect for basic to moderate use
Full compatibility with .docx, .xlsx, .pptx formats
The only drawback is that it doesn’t get new features. But for occasional use, that’s not a big issue.

Scenario 2: You’re a freelancer, student, or you run a small business

You work with documents regularly — client files, school projects, presentations, financial spreadsheets. You need reliability, full features, and compatibility with everyone else who uses Microsoft Office.

For this group, the best balance is a modern, one-time purchase suite with full features.

Best option:

Microsoft Office 2024 Professional Plus (lifetime licence)
(full desktop Word, Excel, PowerPoint, Outlook, Access, Publisher)

Why it works:

Full-featured Word/Excel/PowerPoint comparable to 365
Lifetime licence — pay once, use forever
Better compatibility than LibreOffice, WPS, or online editors
No recurring subscription commitment

If you’re used to “real” Excel, this version behaves the same way as Microsoft 365 apps for most users.

A good explanation of the differences between modern Office versions (and the activation methods) can be found here:
https://pixelcodes.com

Scenario 3: You’re in a team, company environment, or you collaborate heavily

If you depend on real-time collaboration, cloud sharing, simultaneous editing, or enterprise-grade email and security, a perpetual licence is too limited for your workflow.

For business environments, Microsoft 365 is still the strongest option.

Recommended:
Microsoft 365 Business or Microsoft 365 Personal/Family

Why a subscription is better in this case:

Continuous updates and new features
Built-in OneDrive syncing across devices
Real-time collaboration in Word/Excel
Cloud integration for teams
Easier licence management for companies
Professional Outlook email hosting (Business plan)

If your work requires cloud-based collaboration, this is simply the version designed to support it.

Scenario 4: You need Office on multiple devices (PC + Mac + Phone)

Both Office 2021 and Office 2024 are tied to a computer.
If mobility is important:

Microsoft 365 Personal / Family is the cleanest option.

You get:

Install on 5+ devices
Automatic cloud syncing
Mobile editing
Continuous updates

For people constantly on the move, this is the smoothest experience.